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56810056 = 2317417721
BaseRepresentation
bin1101100010110…
…1101001001000
310221220020202011
43120231221020
5104020410211
65345345304
71256606662
oct330555110
9127806664
1056810056
112a082266
1217038234
13ba01024
14778b532
154ec2921
hex362da48

56810056 has 16 divisors (see below), whose sum is σ = 112784940. Its totient is φ = 26734080.

The previous prime is 56810029. The next prime is 56810077. The reversal of 56810056 is 65001865.

It can be written as a sum of positive squares in 2 ways, for example, as 49702500 + 7107556 = 7050^2 + 2666^2 .

It is a super-3 number, since 3×568100563 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208725 + ... + 208996.

Almost surely, 256810056 is an apocalyptic number.

It is an amenable number.

56810056 is a deficient number, since it is larger than the sum of its proper divisors (55974884).

56810056 is a wasteful number, since it uses less digits than its factorization.

56810056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417744 (or 417740 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 56810056 is about 7537.2445893708. The cubic root of 56810056 is about 384.4221521991.

The spelling of 56810056 in words is "fifty-six million, eight hundred ten thousand, fifty-six".

Divisors: 1 2 4 8 17 34 68 136 417721 835442 1670884 3341768 7101257 14202514 28405028 56810056