Search a number
-
+
57939893 = 1117833733
BaseRepresentation
bin1101110100000…
…1011110110101
311001000122120222
43131001132311
5104313034033
65425504125
71302323654
oct335013665
9131018528
1057939893
112a784110
12174a2045
13c00837b
1479a319b
155147598
hex37417b5

57939893 has 16 divisors (see below), whose sum is σ = 67749696. Its totient is φ = 48963840.

The previous prime is 57939887. The next prime is 57939913. The reversal of 57939893 is 39893975.

It is a cyclic number.

It is not a de Polignac number, because 57939893 - 210 = 57938869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57939853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13655 + ... + 17387.

It is an arithmetic number, because the mean of its divisors is an integer number (4234356).

Almost surely, 257939893 is an apocalyptic number.

It is an amenable number.

57939893 is a deficient number, since it is larger than the sum of its proper divisors (9809803).

57939893 is a wasteful number, since it uses less digits than its factorization.

57939893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844.

The product of its digits is 1837080, while the sum is 53.

The square root of 57939893 is about 7611.8258650602. The cubic root of 57939893 is about 386.9539013033.

The spelling of 57939893 in words is "fifty-seven million, nine hundred thirty-nine thousand, eight hundred ninety-three".

Divisors: 1 11 17 83 187 913 1411 3733 15521 41063 63461 309839 698071 3408229 5267263 57939893