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56312738 = 2171656257
BaseRepresentation
bin1101011011010…
…0001110100010
310220221222112222
43112310032202
5103404001423
65330551042
71252436036
oct326641642
9126858488
1056312738
1129872659
1216a38482
13b888861
14769c1c6
154e253c8
hex35b43a2

56312738 has 8 divisors (see below), whose sum is σ = 89437932. Its totient is φ = 26500096.

The previous prime is 56312731. The next prime is 56312741. The reversal of 56312738 is 83721365.

56312738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 54361129 + 1951609 = 7373^2 + 1397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×563127382 = 6342248922113288, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 56312698 and 56312707.

It is not an unprimeable number, because it can be changed into a prime (56312731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828095 + ... + 828162.

Almost surely, 256312738 is an apocalyptic number.

56312738 is a deficient number, since it is larger than the sum of its proper divisors (33125194).

56312738 is a wasteful number, since it uses less digits than its factorization.

56312738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656276.

The product of its digits is 30240, while the sum is 35.

The square root of 56312738 is about 7504.1813677443. The cubic root of 56312738 is about 383.2971128138.

The spelling of 56312738 in words is "fifty-six million, three hundred twelve thousand, seven hundred thirty-eight".

Divisors: 1 2 17 34 1656257 3312514 28156369 56312738