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57879942 = 2324593923
BaseRepresentation
bin1101110011001…
…0110110000110
311000220121100120
43130302312012
5104304124232
65424322410
71301654121
oct334626606
9130817316
1057879942
112a74306a
1217473406
13bcb6cb3
1479893b8
15513492c
hex3732d86

57879942 has 16 divisors (see below), whose sum is σ = 115836480. Its totient is φ = 19280552.

The previous prime is 57879931. The next prime is 57879949. The reversal of 57879942 is 24997875.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57879949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12793 + ... + 16715.

It is an arithmetic number, because the mean of its divisors is an integer number (7239780).

Almost surely, 257879942 is an apocalyptic number.

57879942 is an abundant number, since it is smaller than the sum of its proper divisors (57956538).

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

57879942 is a wasteful number, since it uses less digits than its factorization.

57879942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6387.

The product of its digits is 1270080, while the sum is 51.

The square root of 57879942 is about 7607.8868288113. The cubic root of 57879942 is about 386.8203935253.

The spelling of 57879942 in words is "fifty-seven million, eight hundred seventy-nine thousand, nine hundred forty-two".

Divisors: 1 2 3 6 2459 3923 4918 7377 7846 11769 14754 23538 9646657 19293314 28939971 57879942