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57300971 = 713248437
BaseRepresentation
bin1101101010010…
…1011111101011
310222211012011012
43122211133223
5104132112341
65404054135
71264023140
oct332453753
9128735135
1057300971
112a388082
121723434b
13bb43600
1478783c7
15506d0eb
hex36a57eb

57300971 has 12 divisors (see below), whose sum is σ = 70913232. Its totient is φ = 45336096.

The previous prime is 57300937. The next prime is 57301007. The reversal of 57300971 is 17900375.

It is not a de Polignac number, because 57300971 - 210 = 57299947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57300071) 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 in 11 ways as a sum of consecutive naturals, for example, 23036 + ... + 25401.

It is an arithmetic number, because the mean of its divisors is an integer number (5909436).

Almost surely, 257300971 is an apocalyptic number.

57300971 is a deficient number, since it is larger than the sum of its proper divisors (13612261).

57300971 is a wasteful number, since it uses less digits than its factorization.

57300971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48470 (or 48457 counting only the distinct ones).

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 57300971 is about 7569.7404843231. The cubic root of 57300971 is about 385.5262853694.

The spelling of 57300971 in words is "fifty-seven million, three hundred thousand, nine hundred seventy-one".

Divisors: 1 7 13 91 169 1183 48437 339059 629681 4407767 8185853 57300971