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57130795 = 517672127
BaseRepresentation
bin1101100111101…
…1111100101011
310222111112201101
43121323330223
5104111141140
65400302231
71262414041
oct331737453
9128445641
1057130795
112a281237
1217171977
13bab4007
147832391
15503799a
hex367bf2b

57130795 has 8 divisors (see below), whose sum is σ = 72589824. Its totient is φ = 43016064.

The previous prime is 57130793. The next prime is 57130811. The reversal of 57130795 is 59703175.

It is a happy number.

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 57130795 - 21 = 57130793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57130793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335979 + ... + 336148.

It is an arithmetic number, because the mean of its divisors is an integer number (9073728).

Almost surely, 257130795 is an apocalyptic number.

57130795 is a deficient number, since it is larger than the sum of its proper divisors (15459029).

57130795 is a wasteful number, since it uses less digits than its factorization.

57130795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672149.

The product of its (nonzero) digits is 33075, while the sum is 37.

The square root of 57130795 is about 7558.4915823198. The cubic root of 57130795 is about 385.1442535841.

The spelling of 57130795 in words is "fifty-seven million, one hundred thirty thousand, seven hundred ninety-five".

Divisors: 1 5 17 85 672127 3360635 11426159 57130795