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56500913 = 710974051
BaseRepresentation
bin1101011110001…
…0001010110001
310221022112200102
43113202022301
5103431012123
65335002145
71254151460
oct327421261
9127275612
1056500913
1129990a77
1216b09355
13b9233c1
14770a9d7
154e61028
hex35e22b1

56500913 has 8 divisors (see below), whose sum is σ = 65165760. Its totient is φ = 47984400.

The previous prime is 56500907. The next prime is 56500931. The reversal of 56500913 is 31900565.

56500913 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 56500913 - 210 = 56499889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56500963) 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, 36263 + ... + 37788.

It is an arithmetic number, because the mean of its divisors is an integer number (8145720).

Almost surely, 256500913 is an apocalyptic number.

It is an amenable number.

56500913 is a deficient number, since it is larger than the sum of its proper divisors (8664847).

56500913 is a wasteful number, since it uses less digits than its factorization.

56500913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74167.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 56500913 is about 7516.7089207977. The cubic root of 56500913 is about 383.7235808187.

The spelling of 56500913 in words is "fifty-six million, five hundred thousand, nine hundred thirteen".

Divisors: 1 7 109 763 74051 518357 8071559 56500913