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57953069 = 353164173
BaseRepresentation
bin1101110100010…
…0101100101101
311001001022122222
43131010230231
5104313444234
65430045125
71302410246
oct335045455
9131038588
1057953069
112a792aa9
12174a97a5
13c011375
1479a7ccd
15514b42e
hex3744b2d

57953069 has 4 divisors (see below), whose sum is σ = 58117596. Its totient is φ = 57788544.

The previous prime is 57953041. The next prime is 57953081. The reversal of 57953069 is 96035975.

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 42445225 + 15507844 = 6515^2 + 3938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57953069 is a prime.

It is a super-2 number, since 2×579530692 = 6717116413037522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57953089) 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, 81734 + ... + 82439.

It is an arithmetic number, because the mean of its divisors is an integer number (14529399).

Almost surely, 257953069 is an apocalyptic number.

It is an amenable number.

57953069 is a deficient number, since it is larger than the sum of its proper divisors (164527).

57953069 is a wasteful number, since it uses less digits than its factorization.

57953069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164526.

The product of its (nonzero) digits is 255150, while the sum is 44.

The square root of 57953069 is about 7612.6913112250. The cubic root of 57953069 is about 386.9832312284.

The spelling of 57953069 in words is "fifty-seven million, nine hundred fifty-three thousand, sixty-nine".

Divisors: 1 353 164173 57953069