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56313971 = 78044853
BaseRepresentation
bin1101011011010…
…0100001110011
310220222001020122
43112310201303
5103404021341
65331000455
71252442450
oct326644163
9126861218
1056313971
112987357a
1216a3912b
13b88929c
14769c827
154e2594b
hex35b4873

56313971 has 4 divisors (see below), whose sum is σ = 64358832. Its totient is φ = 48269112.

The previous prime is 56313953. The next prime is 56313977. The reversal of 56313971 is 17931365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56313971 - 222 = 52119667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56313977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4022420 + ... + 4022433.

It is an arithmetic number, because the mean of its divisors is an integer number (16089708).

Almost surely, 256313971 is an apocalyptic number.

56313971 is a deficient number, since it is larger than the sum of its proper divisors (8044861).

56313971 is an equidigital number, since it uses as much as digits as its factorization.

56313971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044860.

The product of its digits is 17010, while the sum is 35.

The square root of 56313971 is about 7504.2635214923. The cubic root of 56313971 is about 383.2999102974.

The spelling of 56313971 in words is "fifty-six million, three hundred thirteen thousand, nine hundred seventy-one".

Divisors: 1 7 8044853 56313971