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57117572 = 22191315737
BaseRepresentation
bin1101100111100…
…0101110000100
310222110212120122
43121320232010
5104110230242
65400121112
71262330351
oct331705604
9128425518
1057117572
112a272306
1217166198
13baaaca5
14782b628
155033ad2
hex3678b84

57117572 has 24 divisors (see below), whose sum is σ = 106038240. Its totient is φ = 26844480.

The previous prime is 57117547. The next prime is 57117611. The reversal of 57117572 is 27571175.

It is a happy number.

57117572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7088 + ... + 12824.

It is an arithmetic number, because the mean of its divisors is an integer number (4418260).

Almost surely, 257117572 is an apocalyptic number.

It is an amenable number.

57117572 is a deficient number, since it is larger than the sum of its proper divisors (48920668).

57117572 is a wasteful number, since it uses less digits than its factorization.

57117572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891 (or 5889 counting only the distinct ones).

The product of its digits is 17150, while the sum is 35.

The square root of 57117572 is about 7557.6168201358. The cubic root of 57117572 is about 385.1145372380.

The spelling of 57117572 in words is "fifty-seven million, one hundred seventeen thousand, five hundred seventy-two".

Divisors: 1 2 4 19 38 76 131 262 524 2489 4978 5737 9956 11474 22948 109003 218006 436012 751547 1503094 3006188 14279393 28558786 57117572