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56725805 = 571159791
BaseRepresentation
bin1101100001100…
…1000100101101
310221201222011202
43120121010231
5104010211210
65343455245
71256106233
oct330310455
9127658152
1056725805
112a024a34
1216bb7525
13b9a1886
147768953
154ea79a5
hex361912d

56725805 has 8 divisors (see below), whose sum is σ = 69030144. Its totient is φ = 44741200.

The previous prime is 56725789. The next prime is 56725813. The reversal of 56725805 is 50852765.

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

It is not a de Polignac number, because 56725805 - 24 = 56725789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79541 + ... + 80250.

It is an arithmetic number, because the mean of its divisors is an integer number (8628768).

Almost surely, 256725805 is an apocalyptic number.

It is an amenable number.

56725805 is a deficient number, since it is larger than the sum of its proper divisors (12304339).

56725805 is a wasteful number, since it uses less digits than its factorization.

56725805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159867.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 56725805 is about 7531.6535369068. The cubic root of 56725805 is about 384.2320216893.

The spelling of 56725805 in words is "fifty-six million, seven hundred twenty-five thousand, eight hundred five".

Divisors: 1 5 71 355 159791 798955 11345161 56725805