Number
722,672
- Positive
- Even
- Composite
- 6 digits
722,672 is an even 6-digit integer and a composite number. It has 30 divisors and a digital root of 8.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value722,672
Digit count6
Digit sum26
Digital root8repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation2^4 × 31^2 × 47
Distinct prime factors32, 31, 47
Number of divisors30
Sum of divisors σ(n)1,477,584
Aliquot sum754,912sum of the proper divisors
ClassificationAbundantthe aliquot sum exceeds the number
Euler's totient φ(n)342,240integers below n that share no factor with it
SquarefreeNohas a repeated prime factor
All divisors1, 2, 4, 8, 16, 31, 47, 62, 94, 124, 188, 248, 376, 496, 752, 961, 1,457, 1,922, 2,914, 3,844, 5,828, 7,688, 11,656, 15,376, 23,312, 45,167, 90,334, 180,668, 361,336, 722,67230 in total
Arithmetic
Representations
Decimal722,672
Binary1011000001101111000020 bits
Octal2603360
HexadecimalB06F0
Base 36FHM8
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordsseven hundred and twenty-two thousand, six hundred and seventy-two
Ordinalseven hundred and twenty-two thousand, six hundred and seventy-second
Scientific notation7.22672 × 10^5
Engineering notation722.672 × 10^3
Nearest landmarks
Powers & multiples
722,672 to the power 2522,254,819,584
722,672 to the power 3377,418,934,978,408,448
722,672 to the power 4272,750,096,578,716,389,933,056
722,672 to the power 5197,108,857,794,734,130,945,701,445,632
First ten multiples722,672, 1,445,344, 2,168,016, 2,890,688, 3,613,360, 4,336,032, 5,058,704, 5,781,376, 6,504,048, 7,226,720
Powers of twoBetween 2^19 (524,288) and 2^20 (1,048,576)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 2
Divisible by 4Yes
Divisible by 5No, remainder 2
Divisible by 6No, remainder 2
Divisible by 7No, remainder 6
Divisible by 8Yes
Divisible by 9No, remainder 8
Divisible by 10No, remainder 2
Divisible by 11No, remainder 5
Divisible by 12No, remainder 8
Divisible by 100No, remainder 72
Collatz (3n + 1) trajectory
Steps to reach 1118the total stopping time
Highest value reached1,465,1082× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps722,672 → 361,336 → 180,668 → 90,334 → 45,167 → 135,502 → 67,751 → 203,254 → 101,627 → 304,882 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage72,267,200%
722,672% as a decimal7,226.72
722,672% of 100722,672
722,672% of 1,0007,226,720
As a fraction of 100722,672/100
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Derived from 722,672
Also reads as
#722672 (colour)
- #722672
- Magenta
- Dark
- Nearest: Purple
#722672 is a magenta with RGB values 114, 38, 114 and HSL 300°, 50%, 30%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Purple.
Colour values
#722672#722672
HEX#722672
RGBrgb(114, 38, 114)
RGB (0–1)0.4471, 0.149, 0.4471
RGB percentages44.7%, 14.9%, 44.7%
HSLhsl(300, 50%, 29.8%)
HSV / HSBhsv(300, 66.7%, 44.7%)
CMYK0%, 66.7%, 0%, 55.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,480,946
CSS custom property--colour: #722672;
Brightness & contrast
Relative luminance0.06179WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.39:1
Contrast with white9.39:1WCAG normal text: AAA
Contrast with black2.24:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#8DD98D
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.39:1WCAG large text: AAA
Contrast with black, large text2.24:1WCAG large text: Fail
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#267226
Analogous#4C2672, #72264C
Triadic#727226, #267272
Split complementary#4C7226, #26724C
Tetradic#724C26, #267226, #264C72
Tints, shades & saturation
Channel breakdown
R114
G38
B114
Red114 (44.7%)
Green38 (14.9%)
Blue114 (44.7%)
Hue300°
Saturation (HSL)50%
Lightness29.8%
Dominant channelRed and Blue
Hex per channelR 72 · G 26 · B 72
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Harmonies
Similar named colours
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