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57868444 = 22313712613
BaseRepresentation
bin1101110011000…
…0000010011100
311000220000120201
43130300002130
5104303242234
65424153244
71301605444
oct334600234
9130800521
1057868444
112a735467
1217468824
13bcb19aa
147985124
155131314
hex373009c

57868444 has 24 divisors (see below), whose sum is σ = 107370368. Its totient is φ = 27241920.

The previous prime is 57868417. The next prime is 57868451. The reversal of 57868444 is 44486875.

It is a super-2 number, since 2×578684442 = 6697513621962272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57868394 and 57868403.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1719 + ... + 10894.

Almost surely, 257868444 is an apocalyptic number.

It is an amenable number.

57868444 is a deficient number, since it is larger than the sum of its proper divisors (49501924).

57868444 is a wasteful number, since it uses less digits than its factorization.

57868444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12685 (or 12683 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The square root of 57868444 is about 7607.1311280929. The cubic root of 57868444 is about 386.7947775389.

The spelling of 57868444 in words is "fifty-seven million, eight hundred sixty-eight thousand, four hundred forty-four".

Divisors: 1 2 4 31 37 62 74 124 148 1147 2294 4588 12613 25226 50452 391003 466681 782006 933362 1564012 1866724 14467111 28934222 57868444