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57347079 = 343974583
BaseRepresentation
bin1101101011000…
…0110000000111
310222220112101220
43122300300013
5104140101304
65405051423
71264304436
oct332606007
9128815356
1057347079
112a409789
1217256b73
13bb5b5aa
14788b11d
15507bad9
hex36b0c07

57347079 has 16 divisors (see below), whose sum is σ = 79064832. Its totient is φ = 36949248.

The previous prime is 57347071. The next prime is 57347083. The reversal of 57347079 is 97074375.

It is not a de Polignac number, because 57347079 - 23 = 57347071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57347079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57347071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10222 + ... + 14804.

It is an arithmetic number, because the mean of its divisors is an integer number (4941552).

Almost surely, 257347079 is an apocalyptic number.

57347079 is a deficient number, since it is larger than the sum of its proper divisors (21717753).

57347079 is a wasteful number, since it uses less digits than its factorization.

57347079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726.

The product of its (nonzero) digits is 185220, while the sum is 42.

The square root of 57347079 is about 7572.7854188535. The cubic root of 57347079 is about 385.6296639563.

The spelling of 57347079 in words is "fifty-seven million, three hundred forty-seven thousand, seventy-nine".

Divisors: 1 3 43 97 129 291 4171 4583 12513 13749 197069 444551 591207 1333653 19115693 57347079