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56765657 = 1326316603
BaseRepresentation
bin1101100010001…
…0110011011001
310221210222211202
43120202303121
5104013000112
65344403545
71256333354
oct330426331
9127728752
1056765657
112a051973
12170165b5
13b9b6a60
14777929b
154eb46c2
hex3622cd9

56765657 has 8 divisors (see below), whose sum is σ = 61368384. Its totient is φ = 52196688.

The previous prime is 56765651. The next prime is 56765677. The reversal of 56765657 is 75656765.

56765657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 56765657 - 24 = 56765641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56765651) 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 7 ways as a sum of consecutive naturals, for example, 4883 + ... + 11720.

It is an arithmetic number, because the mean of its divisors is an integer number (7671048).

Almost surely, 256765657 is an apocalyptic number.

It is an amenable number.

56765657 is a deficient number, since it is larger than the sum of its proper divisors (4602727).

56765657 is a wasteful number, since it uses less digits than its factorization.

56765657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16879.

The product of its digits is 1323000, while the sum is 47.

The square root of 56765657 is about 7534.2987065818. The cubic root of 56765657 is about 384.3219797492.

The spelling of 56765657 in words is "fifty-six million, seven hundred sixty-five thousand, six hundred fifty-seven".

Divisors: 1 13 263 3419 16603 215839 4366589 56765657