Search a number
-
+
131726984 = 2316465873
BaseRepresentation
bin1111101100111…
…11111010001000
3100011212102110012
413312133322020
5232210230414
621023211052
73156442454
oct766377210
9304772405
10131726984
11683a1484
1238146a88
13213a187c
14136cd664
15b87033e
hex7d9fe88

131726984 has 8 divisors (see below), whose sum is σ = 246988110. Its totient is φ = 65863488.

The previous prime is 131726977. The next prime is 131727047. The reversal of 131726984 is 489627131.

It can be written as a sum of positive squares in only one way, i.e., 80604484 + 51122500 = 8978^2 + 7150^2 .

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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232929 + ... + 8232944.

Almost surely, 2131726984 is an apocalyptic number.

It is an amenable number.

131726984 is a deficient number, since it is larger than the sum of its proper divisors (115261126).

131726984 is a wasteful number, since it uses less digits than its factorization.

131726984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16465879 (or 16465875 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 131726984 is about 11477.2376467511. The cubic root of 131726984 is about 508.8130592913.

The spelling of 131726984 in words is "one hundred thirty-one million, seven hundred twenty-six thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16465873 32931746 65863492 131726984