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57395393 = 115217763
BaseRepresentation
bin1101101011110…
…0100011000001
310222222222200022
43122330203001
5104143123033
65410103225
71264565336
oct332744301
9128888608
1057395393
112a442010
121727ab15
13bb77593
1478a098d
15508b098
hex36bc8c1

57395393 has 4 divisors (see below), whose sum is σ = 62613168. Its totient is φ = 52177620.

The previous prime is 57395389. The next prime is 57395441. The reversal of 57395393 is 39359375.

57395393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 57395393 - 22 = 57395389 is a prime.

It is a super-2 number, since 2×573953932 = 6588462275248898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57395363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2608871 + ... + 2608892.

It is an arithmetic number, because the mean of its divisors is an integer number (15653292).

Almost surely, 257395393 is an apocalyptic number.

It is an amenable number.

57395393 is a deficient number, since it is larger than the sum of its proper divisors (5217775).

57395393 is a wasteful number, since it uses less digits than its factorization.

57395393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217774.

The product of its digits is 382725, while the sum is 44.

The square root of 57395393 is about 7575.9747227667. The cubic root of 57395393 is about 385.7379291732.

The spelling of 57395393 in words is "fifty-seven million, three hundred ninety-five thousand, three hundred ninety-three".

Divisors: 1 11 5217763 57395393