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57977923 is a prime number
BaseRepresentation
bin1101110100101…
…0110001000011
311001002120202111
43131022301003
5104320243143
65430400151
71302542563
oct335126103
9131076674
1057977923
112a7aa743
1217500057
13c01c783
1479b2da3
15515399d
hex374ac43

57977923 has 2 divisors, whose sum is σ = 57977924. Its totient is φ = 57977922.

The previous prime is 57977903. The next prime is 57977971. The reversal of 57977923 is 32977975.

57977923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57977923 - 225 = 24423491 is a prime.

It is a super-2 number, since 2×579779232 = 6722879110787858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57977903) by changing a digit.

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 as a sum of consecutive naturals, namely, 28988961 + 28988962.

It is an arithmetic number, because the mean of its divisors is an integer number (28988962).

Almost surely, 257977923 is an apocalyptic number.

57977923 is a deficient number, since it is larger than the sum of its proper divisors (1).

57977923 is an equidigital number, since it uses as much as digits as its factorization.

57977923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 833490, while the sum is 49.

The square root of 57977923 is about 7614.3235418519. The cubic root of 57977923 is about 387.0385444141.

The spelling of 57977923 in words is "fifty-seven million, nine hundred seventy-seven thousand, nine hundred twenty-three".