Search a number
-
+
57996531 = 3219339161
BaseRepresentation
bin1101110100111…
…1010011110011
311001010112021200
43131033103303
5104321342111
65431022243
71302651045
oct335172363
9131115250
1057996531
112a81271a
121750a983
13c028098
1479b9a95
155159256
hex374f4f3

57996531 has 12 divisors (see below), whose sum is σ = 88182120. Its totient is φ = 36629280.

The previous prime is 57996527. The next prime is 57996553. The reversal of 57996531 is 13569975.

It is not a de Polignac number, because 57996531 - 22 = 57996527 is a prime.

It is a super-2 number, since 2×579965312 = 6727195216067922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57996581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169410 + ... + 169751.

It is an arithmetic number, because the mean of its divisors is an integer number (7348510).

Almost surely, 257996531 is an apocalyptic number.

57996531 is a deficient number, since it is larger than the sum of its proper divisors (30185589).

57996531 is a wasteful number, since it uses less digits than its factorization.

57996531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339186 (or 339183 counting only the distinct ones).

The product of its digits is 255150, while the sum is 45.

The square root of 57996531 is about 7615.5453514505. The cubic root of 57996531 is about 387.0799466267.

The spelling of 57996531 in words is "fifty-seven million, nine hundred ninety-six thousand, five hundred thirty-one".

Divisors: 1 3 9 19 57 171 339161 1017483 3052449 6444059 19332177 57996531