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57392382 = 2315163347
BaseRepresentation
bin1101101011101…
…1110011111110
310222222211112210
43122323303332
5104143024012
65410041250
71264553505
oct332736376
9128884483
1057392382
112a43a823
1217279226
13bb760b8
14789d83c
15508a23c
hex36bbcfe

57392382 has 16 divisors (see below), whose sum is σ = 115546752. Its totient is φ = 19003800.

The previous prime is 57392371. The next prime is 57392393. The reversal of 57392382 is 28329375.

It is an interprime number because it is at equal distance from previous prime (57392371) and next prime (57392393).

It is a self number, because there is not a number n which added to its sum of digits gives 57392382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30768 + ... + 32579.

It is an arithmetic number, because the mean of its divisors is an integer number (7221672).

Almost surely, 257392382 is an apocalyptic number.

57392382 is an abundant number, since it is smaller than the sum of its proper divisors (58154370).

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

57392382 is a wasteful number, since it uses less digits than its factorization.

57392382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63503.

The product of its digits is 90720, while the sum is 39.

The square root of 57392382 is about 7575.7759998564. The cubic root of 57392382 is about 385.7311837002.

The spelling of 57392382 in words is "fifty-seven million, three hundred ninety-two thousand, three hundred eighty-two".

Divisors: 1 2 3 6 151 302 453 906 63347 126694 190041 380082 9565397 19130794 28696191 57392382