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56672877 = 3198091229
BaseRepresentation
bin1101100000110…
…0001001101101
310221122021120110
43120030021231
5104002013002
65342410233
71255466022
oct330141155
9127567513
1056672877
1129a99198
1216b90979
13b983761
147753549
154e96e6c
hex360c26d

56672877 has 16 divisors (see below), whose sum is σ = 79704000. Its totient is φ = 35720064.

The previous prime is 56672857. The next prime is 56672879. The reversal of 56672877 is 77827665.

It is not a de Polignac number, because 56672877 - 215 = 56640109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56672879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45499 + ... + 46727.

It is an arithmetic number, because the mean of its divisors is an integer number (4981500).

Almost surely, 256672877 is an apocalyptic number.

56672877 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

56672877 is a deficient number, since it is larger than the sum of its proper divisors (23031123).

56672877 is a wasteful number, since it uses less digits than its factorization.

56672877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060.

The product of its digits is 987840, while the sum is 48.

The square root of 56672877 is about 7528.1390130629. The cubic root of 56672877 is about 384.1124819681.

The spelling of 56672877 in words is "fifty-six million, six hundred seventy-two thousand, eight hundred seventy-seven".

Divisors: 1 3 19 57 809 1229 2427 3687 15371 23351 46113 70053 994261 2982783 18890959 56672877