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57872068 = 2222364879
BaseRepresentation
bin1101110011000…
…0111011000100
311000220012112221
43130300323010
5104303401233
65424222124
71301622142
oct334607304
9130805487
1057872068
112a738161
121746a944
13bcb3537
147986592
15513242d
hex3730ec4

57872068 has 12 divisors (see below), whose sum is σ = 101731840. Its totient is φ = 28805832.

The previous prime is 57872057. The next prime is 57872077. The reversal of 57872068 is 86027875.

It is a happy number.

57872068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31548 + ... + 33331.

Almost surely, 257872068 is an apocalyptic number.

It is an amenable number.

57872068 is a deficient number, since it is larger than the sum of its proper divisors (43859772).

57872068 is a wasteful number, since it uses less digits than its factorization.

57872068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65106 (or 65104 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 57872068 is about 7607.3693219141. The cubic root of 57872068 is about 386.8028516861.

The spelling of 57872068 in words is "fifty-seven million, eight hundred seventy-two thousand, sixty-eight".

Divisors: 1 2 4 223 446 892 64879 129758 259516 14468017 28936034 57872068