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57096139 = 73937723
BaseRepresentation
bin1101100111001…
…1011111001011
310222102210011211
43121303133023
5104104034024
65355433551
71262211022
oct331633713
9128383154
1057096139
112a2581a1
12171558b7
13baa12c9
1478238b9
15502c594
hex36737cb

57096139 has 4 divisors (see below), whose sum is σ = 57111256. Its totient is φ = 57081024.

The previous prime is 57096133. The next prime is 57096181. The reversal of 57096139 is 93169075.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57096139 - 25 = 57096107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57096133) 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 3 ways as a sum of consecutive naturals, for example, 3532 + ... + 11254.

It is an arithmetic number, because the mean of its divisors is an integer number (14277814).

Almost surely, 257096139 is an apocalyptic number.

57096139 is a deficient number, since it is larger than the sum of its proper divisors (15117).

57096139 is an equidigital number, since it uses as much as digits as its factorization.

57096139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15116.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 57096139 is about 7556.1987136390. The cubic root of 57096139 is about 385.0663606306.

The spelling of 57096139 in words is "fifty-seven million, ninety-six thousand, one hundred thirty-nine".

Divisors: 1 7393 7723 57096139