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57197494 = 2532412239
BaseRepresentation
bin1101101000110…
…0001110110110
310222121221012201
43122030032312
5104120304434
65401535114
71263112354
oct332141666
9128557181
1057197494
112a317362
12171a449a
13bb08493
14784c7d4
15504c614
hex368c3b6

57197494 has 16 divisors (see below), whose sum is σ = 87816960. Its totient is φ = 27930240.

The previous prime is 57197461. The next prime is 57197507. The reversal of 57197494 is 49479175.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24427 + ... + 26665.

It is an arithmetic number, because the mean of its divisors is an integer number (5488560).

Almost surely, 257197494 is an apocalyptic number.

57197494 is a deficient number, since it is larger than the sum of its proper divisors (30619466).

57197494 is a wasteful number, since it uses less digits than its factorization.

57197494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535.

The product of its digits is 317520, while the sum is 46.

The square root of 57197494 is about 7562.9024851574. The cubic root of 57197494 is about 385.2940778953.

The spelling of 57197494 in words is "fifty-seven million, one hundred ninety-seven thousand, four hundred ninety-four".

Divisors: 1 2 53 106 241 482 2239 4478 12773 25546 118667 237334 539599 1079198 28598747 57197494