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57009935 = 511401987
BaseRepresentation
bin1101100101111…
…0011100001111
310222021101221002
43121132130033
5104043304220
65353530515
71261401503
oct331363417
9128241832
1057009935
112a1a9454
1217113a3b
13ba70cb8
147800303
155011c75
hex365e70f

57009935 has 4 divisors (see below), whose sum is σ = 68411928. Its totient is φ = 45607944.

The previous prime is 57009923. The next prime is 57009941. The reversal of 57009935 is 53990075.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57009935 - 214 = 56993551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5700989 + ... + 5700998.

It is an arithmetic number, because the mean of its divisors is an integer number (17102982).

Almost surely, 257009935 is an apocalyptic number.

57009935 is a deficient number, since it is larger than the sum of its proper divisors (11401993).

57009935 is a wasteful number, since it uses less digits than its factorization.

57009935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401992.

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 57009935 is about 7550.4923680512. The cubic root of 57009935 is about 384.8724713952.

The spelling of 57009935 in words is "fifty-seven million, nine thousand, nine hundred thirty-five".

Divisors: 1 5 11401987 57009935