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57688634 = 2163311569
BaseRepresentation
bin1101110000010…
…0001000111010
311000112212221002
43130010020322
5104232014014
65420245002
71300226303
oct334041072
9130485832
1057688634
112a622363
12173a0762
13bc4abb3
1479397aa
1550e7dde
hex370423a

57688634 has 16 divisors (see below), whose sum is σ = 87497280. Its totient is φ = 28524960.

The previous prime is 57688621. The next prime is 57688637. The reversal of 57688634 is 43688675.

It is not an unprimeable number, because it can be changed into a prime (57688637) 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, 101102 + ... + 101670.

It is an arithmetic number, because the mean of its divisors is an integer number (5468580).

Almost surely, 257688634 is an apocalyptic number.

57688634 is a deficient number, since it is larger than the sum of its proper divisors (29808646).

57688634 is a wasteful number, since it uses less digits than its factorization.

57688634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045.

The product of its digits is 967680, while the sum is 47.

The square root of 57688634 is about 7595.3034172441. The cubic root of 57688634 is about 386.3937430313.

The spelling of 57688634 in words is "fifty-seven million, six hundred eighty-eight thousand, six hundred thirty-four".

Divisors: 1 2 163 311 326 569 622 1138 50693 92747 101386 176959 185494 353918 28844317 57688634