Search a number
-
+
57693928 = 237211741
BaseRepresentation
bin1101110000010…
…1011011101000
311000120011012011
43130011123220
5104232201203
65420325304
71300250605
oct334053350
9130504164
1057693928
112a626336
12173a3834
13bc50426
14793b6ac
1550e976d
hex37056e8

57693928 has 8 divisors (see below), whose sum is σ = 108176130. Its totient is φ = 28846960.

The previous prime is 57693893. The next prime is 57693947. The reversal of 57693928 is 82939675.

57693928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 44863204 + 12830724 = 6698^2 + 3582^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 3605863 + ... + 3605878.

Almost surely, 257693928 is an apocalyptic number.

It is an amenable number.

57693928 is a deficient number, since it is larger than the sum of its proper divisors (50482202).

57693928 is a wasteful number, since it uses less digits than its factorization.

57693928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7211747 (or 7211743 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 57693928 is about 7595.6519140887. The cubic root of 57693928 is about 386.4055622625.

The spelling of 57693928 in words is "fifty-seven million, six hundred ninety-three thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 7211741 14423482 28846964 57693928