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56251163 = 108751749
BaseRepresentation
bin1101011010010…
…1001100011011
310220211212002102
43112211030123
5103400014123
65325354015
71252061363
oct326451433
9126755072
1056251163
1129830371
1216a0890b
13b866817
1476839a3
154e12028
hex35a531b

56251163 has 4 divisors (see below), whose sum is σ = 56304000. Its totient is φ = 56198328.

The previous prime is 56251159. The next prime is 56251171. The reversal of 56251163 is 36115265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36115265 = 57223053.

It is a cyclic number.

It is not a de Polignac number, because 56251163 - 22 = 56251159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56251193) 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, 24788 + ... + 26961.

It is an arithmetic number, because the mean of its divisors is an integer number (14076000).

Almost surely, 256251163 is an apocalyptic number.

56251163 is a deficient number, since it is larger than the sum of its proper divisors (52837).

56251163 is a wasteful number, since it uses less digits than its factorization.

56251163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52836.

The product of its digits is 5400, while the sum is 29.

The square root of 56251163 is about 7500.0775329326. The cubic root of 56251163 is about 383.1573568241.

The spelling of 56251163 in words is "fifty-six million, two hundred fifty-one thousand, one hundred sixty-three".

Divisors: 1 1087 51749 56251163