Number

1,340,402

Positive
Even
Composite
7 digits

1,340,402 is an even 7-digit integer and a composite number. It has 16 divisors and a digital root of 5.

Number properties

ParityEvendivisible by 2

SignPositive

PrimalityComposite

Absolute value1,340,402

Digit count7

Digit sum14

Digital root5repeated digit sum

PalindromicNoreads differently backwards

Happy numberNosquared-digit sums reach 1

Harshad numberYesdivisible by its own digit sum

Factors & divisors

Prime factorisation2 × 7 × 67 × 1,429

Distinct prime factors42, 7, 67, 1,429

Number of divisors16

Sum of divisors σ(n)2,333,760

Aliquot sum993,358sum of the proper divisors

ClassificationDeficientthe aliquot sum is less than the number

Euler's totient φ(n)565,488integers below n that share no factor with it

SquarefreeYesno repeated prime factor

All divisors1, 2, 7, 14, 67, 134, 469, 938, 1,429, 2,858, 10,003, 20,006, 95,743, 191,486, 670,201, 1,340,40216 in total

Arithmetic

Previous number1,340,401

Next number1,340,403

Double2,680,804

Half670,201

Square1,796,677,521,604

Cube2,408,270,143,313,044,808

Square root1,157.757314812≈irrational, shown to 9 decimal places

Cube root110.25840078≈

Negation-1,340,402

Reciprocal7.46044843 × 10^-7≈

Representations

Decimal1,340,402

Binary10100011100111111001021 bits

Octal5071762

Hexadecimal1473F2

Base 36SQ9E

Roman numeralNot defined above 3,999there is no agreed standard notation

In wordsone million, three hundred and forty thousand, four hundred and two

Ordinalone million, three hundred and forty thousand, four hundred and second

Scientific notation1.340402 × 10^6

Engineering notation1.340402 × 10^6

Nearest landmarks

Next prime1,340,407+5

Previous prime1,340,401−1

Distance to nearest prime1

Nearest square below1,338,649

Nearest square above1,340,964

Powers & multiples

1,340,402 to the power 21,796,677,521,604

1,340,402 to the power 32,408,270,143,313,044,808

1,340,402 to the power 43,228,050,116,637,091,886,732,816

1,340,402 to the power 54,326,884,832,440,591,239,160,440,032,032

First ten multiples1,340,402, 2,680,804, 4,021,206, 5,361,608, 6,702,010, 8,042,412, 9,382,814, 10,723,216, 12,063,618, 13,404,020

Powers of twoBetween 2^20 (1,048,576) and 2^21 (2,097,152)

Divisibility tests

Divisible by 2Yes

Divisible by 3No, remainder 2

Divisible by 4No, remainder 2

Divisible by 5No, remainder 2

Divisible by 6No, remainder 2

Divisible by 7Yes

Divisible by 8No, remainder 2

Divisible by 9No, remainder 5

Divisible by 10No, remainder 2

Divisible by 11No, remainder 8

Divisible by 12No, remainder 2

Divisible by 100No, remainder 2

Collatz (3n + 1) trajectory

Steps to reach 1137the total stopping time

Highest value reached3,220,6122× the starting value

Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven

First steps1,340,402 → 670,201 → 2,010,604 → 1,005,302 → 502,651 → 1,507,954 → 753,977 → 2,261,932 → 1,130,966 → 565,483 → …

Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage134,040,200%

1,340,402% as a decimal13,404.02

1,340,402% of 1001,340,402

1,340,402% of 1,00013,404,020

As a fraction of 1001,340,402/100

Read another way

As seconds15 days, 12 hours and 20 minutes

As bytes1.278 MiB

As a 24-bit colour#1473F2

Keep nerding

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