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57328593 = 376144753
BaseRepresentation
bin1101101010110…
…0001111010001
310222212121001020
43122230033101
5104134003333
65404430053
71264166520
oct332541721
9128777036
1057328593
112a3a6903
1217248329
13bb5305a
1478844b7
1550763b3
hex36ac3d1

57328593 has 16 divisors (see below), whose sum is σ = 88791936. Its totient is φ = 32221440.

The previous prime is 57328561. The next prime is 57328597. The reversal of 57328593 is 39582375.

It is not a de Polignac number, because 57328593 - 25 = 57328561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57328597) 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, 21096 + ... + 23657.

It is an arithmetic number, because the mean of its divisors is an integer number (5549496).

Almost surely, 257328593 is an apocalyptic number.

It is an amenable number.

57328593 is a deficient number, since it is larger than the sum of its proper divisors (31463343).

57328593 is a wasteful number, since it uses less digits than its factorization.

57328593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44824.

The product of its digits is 226800, while the sum is 42.

The square root of 57328593 is about 7571.5647656214. The cubic root of 57328593 is about 385.5882232167.

The spelling of 57328593 in words is "fifty-seven million, three hundred twenty-eight thousand, five hundred ninety-three".

Divisors: 1 3 7 21 61 183 427 1281 44753 134259 313271 939813 2729933 8189799 19109531 57328593