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57929929 is a prime number
BaseRepresentation
bin1101110011111…
…1000011001001
311001000010220221
43130333003021
5104312224204
65425350041
71302252631
oct334770311
9131003827
1057929929
112a777682
1217498321
13c003985
14799d6c1
155144654
hex373f0c9

57929929 has 2 divisors, whose sum is σ = 57929930. Its totient is φ = 57929928.

The previous prime is 57929923. The next prime is 57929941. The reversal of 57929929 is 92992975.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29680704 + 28249225 = 5448^2 + 5315^2 .

It is a cyclic number.

It is not a de Polignac number, because 57929929 - 217 = 57798857 is a prime.

It is not a weakly prime, because it can be changed into another prime (57929923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28964964 + 28964965.

It is an arithmetic number, because the mean of its divisors is an integer number (28964965).

Almost surely, 257929929 is an apocalyptic number.

It is an amenable number.

57929929 is a deficient number, since it is larger than the sum of its proper divisors (1).

57929929 is an equidigital number, since it uses as much as digits as its factorization.

57929929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 918540, while the sum is 52.

The square root of 57929929 is about 7611.1713290400. The cubic root of 57929929 is about 386.9317183736.

The spelling of 57929929 in words is "fifty-seven million, nine hundred twenty-nine thousand, nine hundred twenty-nine".