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57196940 = 2252859847
BaseRepresentation
bin1101101000110…
…0000110001100
310222121220110012
43122030012030
5104120300230
65401532352
71263110633
oct332140614
9128556405
1057196940
112a3169a9
12171a40b8
13bb08158
14784c51a
15504c395
hex368c18c

57196940 has 12 divisors (see below), whose sum is σ = 120113616. Its totient is φ = 22878768.

The previous prime is 57196933. The next prime is 57196949. The reversal of 57196940 is 4969175.

It is not an unprimeable number, because it can be changed into a prime (57196949) 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 3 ways as a sum of consecutive naturals, for example, 1429904 + ... + 1429943.

It is an arithmetic number, because the mean of its divisors is an integer number (10009468).

Almost surely, 257196940 is an apocalyptic number.

It is an amenable number.

57196940 is an abundant number, since it is smaller than the sum of its proper divisors (62916676).

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

57196940 is a wasteful number, since it uses less digits than its factorization.

57196940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859856 (or 2859854 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 57196940 is about 7562.8658589188. The cubic root of 57196940 is about 385.2928339386.

The spelling of 57196940 in words is "fifty-seven million, one hundred ninety-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 2859847 5719694 11439388 14299235 28598470 57196940