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57399013 = 756914411
BaseRepresentation
bin1101101011110…
…1011011100101
311000000011122101
43122331123211
5104143232023
65410132101
71264612030
oct332753345
9130004571
1057399013
112a444801
1217281031
13bb79119
1478a2017
15508c1ad
hex36bd6e5

57399013 has 8 divisors (see below), whose sum is σ = 65718720. Its totient is φ = 49109280.

The previous prime is 57398989. The next prime is 57399103. The reversal of 57399013 is 31099375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57399013 - 217 = 57267941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57399113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3223 + ... + 11188.

It is an arithmetic number, because the mean of its divisors is an integer number (8214840).

Almost surely, 257399013 is an apocalyptic number.

It is an amenable number.

57399013 is a deficient number, since it is larger than the sum of its proper divisors (8319707).

57399013 is a wasteful number, since it uses less digits than its factorization.

57399013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14987.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 57399013 is about 7576.2136321516. The cubic root of 57399013 is about 385.7460386623.

The spelling of 57399013 in words is "fifty-seven million, three hundred ninety-nine thousand, thirteen".

Divisors: 1 7 569 3983 14411 100877 8199859 57399013