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57300161 = 371548653
BaseRepresentation
bin1101101010010…
…1010011000001
310222211011001012
43122211103001
5104132101121
65404050305
71264020602
oct332452301
9128734035
1057300161
112a387506
1217233995
13bb43129
147877da9
15506cc5b
hex36a54c1

57300161 has 4 divisors (see below), whose sum is σ = 58848852. Its totient is φ = 55751472.

The previous prime is 57300119. The next prime is 57300169. The reversal of 57300161 is 16100375.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49000000 + 8300161 = 7000^2 + 2881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57300161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57300169) 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, 774290 + ... + 774363.

It is an arithmetic number, because the mean of its divisors is an integer number (14712213).

Almost surely, 257300161 is an apocalyptic number.

It is an amenable number.

57300161 is a deficient number, since it is larger than the sum of its proper divisors (1548691).

57300161 is a wasteful number, since it uses less digits than its factorization.

57300161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548690.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 57300161 is about 7569.6869816393. The cubic root of 57300161 is about 385.5244687756.

The spelling of 57300161 in words is "fifty-seven million, three hundred thousand, one hundred sixty-one".

Divisors: 1 37 1548653 57300161