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57693372 = 22311437071
BaseRepresentation
bin1101110000010…
…1010010111100
311000120010102120
43130011102330
5104232141442
65420322540
71300246152
oct334052274
9130503376
1057693372
112a625980
12173a3450
13bc500b9
14793b3d2
1550e94ec
hex37054bc

57693372 has 24 divisors (see below), whose sum is σ = 146856192. Its totient is φ = 17482800.

The previous prime is 57693371. The next prime is 57693379. The reversal of 57693372 is 27339675.

It is a happy number.

57693372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57693371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218404 + ... + 218667.

It is an arithmetic number, because the mean of its divisors is an integer number (6119008).

Almost surely, 257693372 is an apocalyptic number.

It is an amenable number.

57693372 is an abundant number, since it is smaller than the sum of its proper divisors (89162820).

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

57693372 is a wasteful number, since it uses less digits than its factorization.

57693372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437089 (or 437087 counting only the distinct ones).

The product of its digits is 238140, while the sum is 42.

The square root of 57693372 is about 7595.6153141138. The cubic root of 57693372 is about 386.4043209870.

The spelling of 57693372 in words is "fifty-seven million, six hundred ninety-three thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 437071 874142 1311213 1748284 2622426 4807781 5244852 9615562 14423343 19231124 28846686 57693372