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52857912 = 2332202413
BaseRepresentation
bin1100100110100…
…0110000111000
310200110110102110
43021220300320
5102012423122
65124532320
71211166462
oct311506070
9120413373
1052857912
1127922a28
12158510a0
13ac49193
14703d132
15499190c
hex3268c38

52857912 has 16 divisors (see below), whose sum is σ = 132144840. Its totient is φ = 17619296.

The previous prime is 52857911. The next prime is 52857929. The reversal of 52857912 is 21975825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52857911) 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, 1101183 + ... + 1101230.

Almost surely, 252857912 is an apocalyptic number.

It is an amenable number.

52857912 is an abundant number, since it is smaller than the sum of its proper divisors (79286928).

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

52857912 is a wasteful number, since it uses less digits than its factorization.

52857912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202422 (or 2202418 counting only the distinct ones).

The product of its digits is 50400, while the sum is 39.

The square root of 52857912 is about 7270.3446960925. The cubic root of 52857912 is about 375.2926000789.

The spelling of 52857912 in words is "fifty-two million, eight hundred fifty-seven thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 2202413 4404826 6607239 8809652 13214478 17619304 26428956 52857912