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56741831 = 374767487
BaseRepresentation
bin1101100001110…
…0111111000111
310221202210011022
43120130333013
5104011214311
65344101355
71256204036
oct330347707
9127683138
1056741831
112a035a83
121700485b
13b9a8c63
14777071d
154eac5db
hex361cfc7

56741831 has 16 divisors (see below), whose sum is σ = 60527616. Its totient is φ = 53117856.

The previous prime is 56741761. The next prime is 56741837. The reversal of 56741831 is 13814765.

It is a cyclic number.

It is not a de Polignac number, because 56741831 - 210 = 56740807 is a prime.

It is a super-2 number, since 2×567418312 = 6439270770465122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56741791 and 56741800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56741837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116270 + ... + 116756.

It is an arithmetic number, because the mean of its divisors is an integer number (3782976).

Almost surely, 256741831 is an apocalyptic number.

56741831 is a deficient number, since it is larger than the sum of its proper divisors (3785785).

56741831 is a wasteful number, since it uses less digits than its factorization.

56741831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638.

The product of its digits is 20160, while the sum is 35.

The square root of 56741831 is about 7532.7173715732. The cubic root of 56741831 is about 384.2682022988.

The spelling of 56741831 in words is "fifty-six million, seven hundred forty-one thousand, eight hundred thirty-one".

Divisors: 1 37 47 67 487 1739 2479 3149 18019 22889 32629 116513 846893 1207273 1533563 56741831