Search a number
-
+
131252296 = 2372343791
BaseRepresentation
bin1111101001011…
…00000001001000
3100010222022022011
413310230001020
5232100033141
621005105304
73152424520
oct764540110
9303868264
10131252296
11680a787a
1237b58234
13212667a6
1413608680
15b7c9881
hex7d2c048

131252296 has 16 divisors (see below), whose sum is σ = 281255040. Its totient is φ = 56250960.

The previous prime is 131252293. The next prime is 131252309. The reversal of 131252296 is 692252131.

It is not an unprimeable number, because it can be changed into a prime (131252293) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1171840 + ... + 1171951.

It is an arithmetic number, because the mean of its divisors is an integer number (17578440).

Almost surely, 2131252296 is an apocalyptic number.

It is an amenable number.

131252296 is an abundant number, since it is smaller than the sum of its proper divisors (150002744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131252296 is a wasteful number, since it uses less digits than its factorization.

131252296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343804 (or 2343800 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 131252296 is about 11456.5394426066. The cubic root of 131252296 is about 508.2011417502.

The spelling of 131252296 in words is "one hundred thirty-one million, two hundred fifty-two thousand, two hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 56 2343791 4687582 9375164 16406537 18750328 32813074 65626148 131252296