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57423884 = 2272292979
BaseRepresentation
bin1101101100001…
…1100000001100
311000001102202112
43123003200030
5104200031014
65410443152
71265044400
oct333034014
9130042675
1057423884
112a461461
12172934b8
13bb8753b
1478ab100
15509473e
hex36c380c

57423884 has 18 divisors (see below), whose sum is σ = 116899020. Its totient is φ = 24610152.

The previous prime is 57423881. The next prime is 57423887. The reversal of 57423884 is 48832475.

It is an interprime number because it is at equal distance from previous prime (57423881) and next prime (57423887).

It is not an unprimeable number, because it can be changed into a prime (57423881) 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 5 ways as a sum of consecutive naturals, for example, 146294 + ... + 146685.

It is an arithmetic number, because the mean of its divisors is an integer number (6494390).

Almost surely, 257423884 is an apocalyptic number.

It is an amenable number.

57423884 is an abundant number, since it is smaller than the sum of its proper divisors (59475136).

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

57423884 is a wasteful number, since it uses less digits than its factorization.

57423884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292997 (or 292988 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 57423884 is about 7577.8548415762. The cubic root of 57423884 is about 385.8017452206.

The spelling of 57423884 in words is "fifty-seven million, four hundred twenty-three thousand, eight hundred eighty-four".

Divisors: 1 2 4 7 14 28 49 98 196 292979 585958 1171916 2050853 4101706 8203412 14355971 28711942 57423884