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42057882 = 2324156989
BaseRepresentation
bin1010000001110…
…0000010011010
32221010202120100
42200130002122
541231323012
64101240230
71020325506
oct240340232
987122510
1042057882
1121816789
1212103076
138937429
14582b306
153a5b8dc
hex281c09a

42057882 has 24 divisors (see below), whose sum is σ = 93349620. Its totient is φ = 13677120.

The previous prime is 42057877. The next prime is 42057893. The reversal of 42057882 is 28875024.

It is a happy number.

42057882 is a `hidden beast` number, since 4 + 2 + 0 + 578 + 82 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41873841 + 184041 = 6471^2 + 429^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27757 + ... + 29232.

Almost surely, 242057882 is an apocalyptic number.

42057882 is an abundant number, since it is smaller than the sum of its proper divisors (51291738).

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

42057882 is a wasteful number, since it uses less digits than its factorization.

42057882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57038 (or 57035 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 42057882 is about 6485.2048541276. The cubic root of 42057882 is about 347.7622732329.

The spelling of 42057882 in words is "forty-two million, fifty-seven thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 56989 113978 170967 341934 512901 1025802 2336549 4673098 7009647 14019294 21028941 42057882