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57113806 = 228556903
BaseRepresentation
bin1101100111011…
…1110011001110
310222110200102011
43121313303032
5104110120211
65400051434
71262313361
oct331676316
9128420364
1057113806
112a26a4a2
1217163b7a
13baa9369
14782a0d8
155032921
hex3677cce

57113806 has 4 divisors (see below), whose sum is σ = 85670712. Its totient is φ = 28556902.

The previous prime is 57113801. The next prime is 57113821. The reversal of 57113806 is 60831175.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57113801) 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 as a sum of consecutive naturals, namely, 14278450 + ... + 14278453.

It is an arithmetic number, because the mean of its divisors is an integer number (21417678).

Almost surely, 257113806 is an apocalyptic number.

57113806 is a deficient number, since it is larger than the sum of its proper divisors (28556906).

57113806 is a wasteful number, since it uses less digits than its factorization.

57113806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28556905.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 57113806 is about 7557.3676634130. The cubic root of 57113806 is about 385.1060729822.

The spelling of 57113806 in words is "fifty-seven million, one hundred thirteen thousand, eight hundred six".

Divisors: 1 2 28556903 57113806