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57996431 is a prime number
BaseRepresentation
bin1101110100111…
…1010010001111
311001010112010222
43131033102033
5104321341211
65431021555
71302650543
oct335172217
9131115128
1057996431
112a812639
121750a8bb
13c02801c
1479b9a23
1551591db
hex374f48f

57996431 has 2 divisors, whose sum is σ = 57996432. Its totient is φ = 57996430.

The previous prime is 57996413. The next prime is 57996437. The reversal of 57996431 is 13469975.

Together with previous prime (57996413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57996431 is a prime.

It is a super-2 number, since 2×579964312 = 6727172017475522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57996437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28998215 + 28998216.

It is an arithmetic number, because the mean of its divisors is an integer number (28998216).

Almost surely, 257996431 is an apocalyptic number.

57996431 is a deficient number, since it is larger than the sum of its proper divisors (1).

57996431 is an equidigital number, since it uses as much as digits as its factorization.

57996431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 44.

The square root of 57996431 is about 7615.5387859297. The cubic root of 57996431 is about 387.0797241535.

The spelling of 57996431 in words is "fifty-seven million, nine hundred ninety-six thousand, four hundred thirty-one".