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57532323 = 3194323473
BaseRepresentation
bin1101101101110…
…1111110100011
311000020221111210
43123131332203
5104212013243
65413041203
71266005502
oct333357643
9130227453
1057532323
112a525982
1217326203
13bbc49c4
1478d8839
1550b6933
hex36ddfa3

57532323 has 16 divisors (see below), whose sum is σ = 82628480. Its totient is φ = 35489664.

The previous prime is 57532309. The next prime is 57532331. The reversal of 57532323 is 32323575.

It is a de Polignac number, because none of the positive numbers 2k-57532323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57532393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9286 + ... + 14187.

It is an arithmetic number, because the mean of its divisors is an integer number (5164280).

Almost surely, 257532323 is an apocalyptic number.

57532323 is a deficient number, since it is larger than the sum of its proper divisors (25096157).

57532323 is a wasteful number, since it uses less digits than its factorization.

57532323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23538.

The product of its digits is 18900, while the sum is 30.

The square root of 57532323 is about 7585.0064601159. The cubic root of 57532323 is about 386.0444412665.

Adding to 57532323 its reverse (32323575), we get a palindrome (89855898).

The spelling of 57532323 in words is "fifty-seven million, five hundred thirty-two thousand, three hundred twenty-three".

Divisors: 1 3 19 43 57 129 817 2451 23473 70419 445987 1009339 1337961 3028017 19177441 57532323