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57113574 = 23717411951
BaseRepresentation
bin1101100111011…
…1101111100110
310222110200002120
43121313233212
5104110113244
65400050410
71262312610
oct331675746
9128420076
1057113574
112a26a301
1217163a06
13baa921b
147829db0
155032819
hex3677be6

57113574 has 64 divisors (see below), whose sum is σ = 141668352. Its totient is φ = 14976000.

The previous prime is 57113569. The next prime is 57113579. The reversal of 57113574 is 47531175.

It is an interprime number because it is at equal distance from previous prime (57113569) and next prime (57113579).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57113579) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28299 + ... + 30249.

It is an arithmetic number, because the mean of its divisors is an integer number (2213568).

Almost surely, 257113574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57113574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70834176).

57113574 is an abundant number, since it is smaller than the sum of its proper divisors (84554778).

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

57113574 is a wasteful number, since it uses less digits than its factorization.

57113574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021.

The product of its digits is 14700, while the sum is 33.

The square root of 57113574 is about 7557.3523141375. The cubic root of 57113574 is about 385.1055515395.

The spelling of 57113574 in words is "fifty-seven million, one hundred thirteen thousand, five hundred seventy-four".

Divisors: 1 2 3 6 7 14 17 21 34 41 42 51 82 102 119 123 238 246 287 357 574 697 714 861 1394 1722 1951 2091 3902 4182 4879 5853 9758 11706 13657 14637 27314 29274 33167 40971 66334 79991 81942 99501 159982 199002 232169 239973 464338 479946 559937 696507 1119874 1359847 1393014 1679811 2719694 3359622 4079541 8159082 9518929 19037858 28556787 57113574