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57073713 = 319024571
BaseRepresentation
bin1101100110111…
…0000000110001
310222101122102020
43121232000301
5104102324323
65355142053
71262055444
oct331560061
9128348366
1057073713
112a242364
1217144929
13ba94038
14781965b
155025ae3
hex366e031

57073713 has 4 divisors (see below), whose sum is σ = 76098288. Its totient is φ = 38049140.

The previous prime is 57073699. The next prime is 57073717. The reversal of 57073713 is 31737075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57073713 - 213 = 57065521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57073717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9512283 + ... + 9512288.

It is an arithmetic number, because the mean of its divisors is an integer number (19024572).

Almost surely, 257073713 is an apocalyptic number.

It is an amenable number.

57073713 is a deficient number, since it is larger than the sum of its proper divisors (19024575).

57073713 is a wasteful number, since it uses less digits than its factorization.

57073713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19024574.

The product of its (nonzero) digits is 15435, while the sum is 33.

The square root of 57073713 is about 7554.7146206855. The cubic root of 57073713 is about 385.0159390714.

The spelling of 57073713 in words is "fifty-seven million, seventy-three thousand, seven hundred thirteen".

Divisors: 1 3 19024571 57073713