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57116856 = 23321111279
BaseRepresentation
bin1101100111100…
…0100010111000
310222110211121010
43121320202320
5104110214411
65400113520
71262325306
oct331704270
9128424533
1057116856
112a271815
12171658a0
13baaa874
14782b276
1550337a6
hex36788b8

57116856 has 32 divisors (see below), whose sum is σ = 143481600. Its totient is φ = 18947040.

The previous prime is 57116833. The next prime is 57116887. The reversal of 57116856 is 65861175.

57116856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

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, 576 + ... + 10703.

It is an arithmetic number, because the mean of its divisors is an integer number (4483800).

Almost surely, 257116856 is an apocalyptic number.

It is an amenable number.

57116856 is an abundant number, since it is smaller than the sum of its proper divisors (86364744).

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

57116856 is a wasteful number, since it uses less digits than its factorization.

57116856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11499 (or 11495 counting only the distinct ones).

The product of its digits is 50400, while the sum is 39.

The square root of 57116856 is about 7557.5694505575. The cubic root of 57116856 is about 385.1129280242.

The spelling of 57116856 in words is "fifty-seven million, one hundred sixteen thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 211 422 633 844 1266 1688 2532 5064 11279 22558 33837 45116 67674 90232 135348 270696 2379869 4759738 7139607 9519476 14279214 19038952 28558428 57116856