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57232113 = 328167891
BaseRepresentation
bin1101101001010…
…0101011110001
310222200200200220
43122110223301
5104122411423
65402403253
71263315321
oct332245361
9128620626
1057232113
112a340374
1217200529
13bb1b173
14785b281
1550579e3
hex3694af1

57232113 has 8 divisors (see below), whose sum is σ = 76582176. Its totient is φ = 38018400.

The previous prime is 57232111. The next prime is 57232129. The reversal of 57232113 is 31123275.

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

It is not a de Polignac number, because 57232113 - 21 = 57232111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57232111) 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, 33103 + ... + 34788.

It is an arithmetic number, because the mean of its divisors is an integer number (9572772).

Almost surely, 257232113 is an apocalyptic number.

It is an amenable number.

57232113 is a deficient number, since it is larger than the sum of its proper divisors (19350063).

57232113 is a wasteful number, since it uses less digits than its factorization.

57232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68175.

The product of its digits is 1260, while the sum is 24.

The square root of 57232113 is about 7565.1908766402. The cubic root of 57232113 is about 385.3717957846.

Adding to 57232113 its reverse (31123275), we get a palindrome (88355388).

The spelling of 57232113 in words is "fifty-seven million, two hundred thirty-two thousand, one hundred thirteen".

Divisors: 1 3 281 843 67891 203673 19077371 57232113