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56172088 = 2371576389
BaseRepresentation
bin1101011001000…
…1111000111000
310220200211121201
43112101320320
5103340001323
65323543544
71251312010
oct326217070
9126624551
1056172088
1129786a15
121698abb4
13b83982b
147662c40
154de88ad
hex3591e38

56172088 has 32 divisors (see below), whose sum is σ = 121154400. Its totient is φ = 23916672.

The previous prime is 56172079. The next prime is 56172089. The reversal of 56172088 is 88027165.

56172088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56172089) 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, 5598 + ... + 11986.

It is an arithmetic number, because the mean of its divisors is an integer number (3786075).

Almost surely, 256172088 is an apocalyptic number.

It is an amenable number.

56172088 is an abundant number, since it is smaller than the sum of its proper divisors (64982312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56172088 is a wasteful number, since it uses less digits than its factorization.

56172088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6559 (or 6555 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 56172088 is about 7494.8040668186. The cubic root of 56172088 is about 382.9777316414.

The spelling of 56172088 in words is "fifty-six million, one hundred seventy-two thousand, eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 157 314 628 1099 1256 2198 4396 6389 8792 12778 25556 44723 51112 89446 178892 357784 1003073 2006146 4012292 7021511 8024584 14043022 28086044 56172088