Number
470
- Positive
- Even
- Composite
- 3 digits
470 is an even 3-digit integer and a composite number. It has 8 divisors and a digital root of 2.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value470
Digit count3
Digit sum11
Digital root2repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation2 × 5 × 47
Distinct prime factors32, 5, 47
Number of divisors8
Sum of divisors σ(n)864
Aliquot sum394sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)184integers below n that share no factor with it
SquarefreeYesno repeated prime factor
All divisors1, 2, 5, 10, 47, 94, 235, 4708 in total
Arithmetic
Representations
Decimal470
Binary1110101109 bits
Octal726
Hexadecimal1D6
Base 36D2
Roman numeralCDLXX
In wordsfour hundred and seventy
Ordinalfour hundred and seventieth
Scientific notation4.7 × 10^2
Engineering notation470
Nearest landmarks
Powers & multiples
470 to the power 2220,900
470 to the power 3103,823,000
470 to the power 448,796,810,000
470 to the power 522,934,500,700,000
First ten multiples470, 940, 1,410, 1,880, 2,350, 2,820, 3,290, 3,760, 4,230, 4,700
Powers of twoBetween 2^8 (256) and 2^9 (512)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 2
Divisible by 4No, remainder 2
Divisible by 5Yes
Divisible by 6No, remainder 2
Divisible by 7No, remainder 1
Divisible by 8No, remainder 6
Divisible by 9No, remainder 2
Divisible by 10Yes
Divisible by 11No, remainder 8
Divisible by 12No, remainder 2
Divisible by 100No, remainder 70
Collatz (3n + 1) trajectory
Steps to reach 1128the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps470 → 235 → 706 → 353 → 1,060 → 530 → 265 → 796 → 398 → 199 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage47,000%
470% as a decimal4.7
470% of 100470
470% of 1,0004,700
As a fraction of 100470/100
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Derived from 470
Other readings
Also reads as
#447700 (colour)
- #447700
- Green
- Dark
- Nearest: Olivedrab
#447700 is a green with RGB values 68, 119, 0 and HSL 86°, 100%, 23%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Olivedrab.
Colour values
#447700#447700
HEX#447700
HEX (short)#470
RGBrgb(68, 119, 0)
RGB (0–1)0.2667, 0.4667, 0
RGB percentages26.7%, 46.7%, 0%
HSLhsl(85.7, 100%, 23.3%)
HSV / HSBhsv(85.7, 100%, 46.7%)
CMYK42.9%, 0%, 100%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,486,912
CSS custom property--colour: #447700;
Brightness & contrast
Relative luminance0.14423WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.41:1
Contrast with white5.41:1WCAG normal text: AA
Contrast with black3.88:1WCAG normal text: Fail
Greyscale equivalent#646464
Inverted#BB88FF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.41:1WCAG large text: AAA
Contrast with black, large text3.88:1WCAG large text: AA
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#330077
Analogous#776F00, #097700
Triadic#004477, #770044
Split complementary#000877, #6F0077
Tetradic#00776F, #330077, #770008
Tints, shades & saturation
Channel breakdown
R68
G119
B0
Red68 (26.7%)
Green119 (46.7%)
Blue0 (0%)
Hue85.71°
Saturation (HSL)100%
Lightness23.33%
Dominant channelGreen
Hex per channelR 44 · G 77 · B 00
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Harmonies
Similar named colours
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