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57082704 = 2437169889
BaseRepresentation
bin1101100111000…
…0001101010000
310222102002202020
43121300031100
5104103121304
65355251440
71262123610
oct331601520
9128362666
1057082704
112a249098
1217149b80
13ba98163
14781ca40
1550285d9
hex3670350

57082704 has 40 divisors (see below), whose sum is σ = 168530880. Its totient is φ = 16309248.

The previous prime is 57082699. The next prime is 57082709. The reversal of 57082704 is 40728075.

It is an interprime number because it is at equal distance from previous prime (57082699) and next prime (57082709).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57082709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84609 + ... + 85280.

It is an arithmetic number, because the mean of its divisors is an integer number (4213272).

Almost surely, 257082704 is an apocalyptic number.

It is an amenable number.

57082704 is an abundant number, since it is smaller than the sum of its proper divisors (111448176).

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

57082704 is a wasteful number, since it uses less digits than its factorization.

57082704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169907 (or 169901 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 57082704 is about 7555.3096561293. The cubic root of 57082704 is about 385.0361555970.

The spelling of 57082704 in words is "fifty-seven million, eighty-two thousand, seven hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 169889 339778 509667 679556 1019334 1189223 1359112 2038668 2378446 2718224 3567669 4077336 4756892 7135338 8154672 9513784 14270676 19027568 28541352 57082704