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57166472 = 2311649619
BaseRepresentation
bin1101101000010…
…0101010001000
310222120100122202
43122010222020
5104113311342
65401135332
71262623046
oct332045210
9128510582
1057166472
112a2a6020
121718a548
13bac731c
147841396
155043332
hex3684a88

57166472 has 16 divisors (see below), whose sum is σ = 116931600. Its totient is φ = 25984720.

The previous prime is 57166463. The next prime is 57166481. The reversal of 57166472 is 27466175.

It is an interprime number because it is at equal distance from previous prime (57166463) and next prime (57166481).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324722 + ... + 324897.

It is an arithmetic number, because the mean of its divisors is an integer number (7308225).

Almost surely, 257166472 is an apocalyptic number.

It is an amenable number.

57166472 is an abundant number, since it is smaller than the sum of its proper divisors (59765128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57166472 is a wasteful number, since it uses less digits than its factorization.

57166472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649636 (or 649632 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 57166472 is about 7560.8512748235. The cubic root of 57166472 is about 385.2244084419.

The spelling of 57166472 in words is "fifty-seven million, one hundred sixty-six thousand, four hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 649619 1299238 2598476 5196952 7145809 14291618 28583236 57166472