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57305113 = 1713924251
BaseRepresentation
bin1101101010011…
…0100000011001
310222211101211121
43122212200121
5104132230423
65404125241
71264041205
oct332464031
9128741747
1057305113
112a3901a8
1217236821
13bb45468
147879b05
15506e45d
hex36a6819

57305113 has 8 divisors (see below), whose sum is σ = 61115040. Its totient is φ = 53544000.

The previous prime is 57305071. The next prime is 57305117. The reversal of 57305113 is 31150375.

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

It is a cyclic number.

It is not a de Polignac number, because 57305113 - 217 = 57174041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57305117) 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, 9763 + ... + 14488.

It is an arithmetic number, because the mean of its divisors is an integer number (7639380).

Almost surely, 257305113 is an apocalyptic number.

It is an amenable number.

57305113 is a deficient number, since it is larger than the sum of its proper divisors (3809927).

57305113 is a wasteful number, since it uses less digits than its factorization.

57305113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24407.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 57305113 is about 7570.0140686791. The cubic root of 57305113 is about 385.5355743998.

Adding to 57305113 its reverse (31150375), we get a palindrome (88455488).

The spelling of 57305113 in words is "fifty-seven million, three hundred five thousand, one hundred thirteen".

Divisors: 1 17 139 2363 24251 412267 3370889 57305113