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57996379 = 7194310141
BaseRepresentation
bin1101110100111…
…1010001011011
311001010112002001
43131033101123
5104321341004
65431021431
71302650440
oct335172133
9131115061
1057996379
112a8125a1
121750a877
13c027cac
1479b99c7
1551591a4
hex374f45b

57996379 has 16 divisors (see below), whose sum is σ = 71399680. Its totient is φ = 45995040.

The previous prime is 57996373. The next prime is 57996413. The reversal of 57996379 is 97369975.

It is not a de Polignac number, because 57996379 - 27 = 57996251 is a prime.

It is a super-2 number, since 2×579963792 = 6727159954223282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57996373) 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, 649 + ... + 10789.

It is an arithmetic number, because the mean of its divisors is an integer number (4462480).

Almost surely, 257996379 is an apocalyptic number.

57996379 is a deficient number, since it is larger than the sum of its proper divisors (13403301).

57996379 is a wasteful number, since it uses less digits than its factorization.

57996379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210.

The product of its digits is 3214890, while the sum is 55.

The square root of 57996379 is about 7615.5353718567. The cubic root of 57996379 is about 387.0796084674.

The spelling of 57996379 in words is "fifty-seven million, nine hundred ninety-six thousand, three hundred seventy-nine".

Divisors: 1 7 19 43 133 301 817 5719 10141 70987 192679 436063 1348753 3052441 8285197 57996379