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57277164 = 22374116631
BaseRepresentation
bin1101101001111…
…1101011101100
310222202222111110
43122133223230
5104130332124
65403352020
71263563550
oct332375354
9128688443
1057277164
112a3711aa
1217222610
13bb35819
14786d860
155066029
hex369faec

57277164 has 48 divisors (see below), whose sum is σ = 156473856. Its totient is φ = 15964800.

The previous prime is 57277151. The next prime is 57277183. The reversal of 57277164 is 46177275.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4872 + ... + 11759.

It is an arithmetic number, because the mean of its divisors is an integer number (3259872).

Almost surely, 257277164 is an apocalyptic number.

It is an amenable number.

57277164 is an abundant number, since it is smaller than the sum of its proper divisors (99196692).

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

57277164 is a wasteful number, since it uses less digits than its factorization.

57277164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16686 (or 16684 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 57277164 is about 7568.1678099788. The cubic root of 57277164 is about 385.4728860667.

The spelling of 57277164 in words is "fifty-seven million, two hundred seventy-seven thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 41 42 82 84 123 164 246 287 492 574 861 1148 1722 3444 16631 33262 49893 66524 99786 116417 199572 232834 349251 465668 681871 698502 1363742 1397004 2045613 2727484 4091226 4773097 8182452 9546194 14319291 19092388 28638582 57277164