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57697023 = 337519793
BaseRepresentation
bin1101110000011…
…0001011111111
311000120022102210
43130012023333
5104232301043
65420351503
71300262616
oct334061377
9130508383
1057697023
112a62869a
12173a5593
13bc51967
14793c87d
1550ea633
hex37062ff

57697023 has 8 divisors (see below), whose sum is σ = 79008688. Its totient is φ = 37425024.

The previous prime is 57697021. The next prime is 57697027. The reversal of 57697023 is 32079675.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57697023 - 21 = 57697021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57697021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259786 + ... + 260007.

It is an arithmetic number, because the mean of its divisors is an integer number (9876086).

Almost surely, 257697023 is an apocalyptic number.

57697023 is a deficient number, since it is larger than the sum of its proper divisors (21311665).

57697023 is a wasteful number, since it uses less digits than its factorization.

57697023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519833.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 57697023 is about 7595.8556463377. The cubic root of 57697023 is about 386.4124717350.

The spelling of 57697023 in words is "fifty-seven million, six hundred ninety-seven thousand, twenty-three".

Divisors: 1 3 37 111 519793 1559379 19232341 57697023