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131976875 = 54239181
BaseRepresentation
bin1111101110111…
…00111010101011
3100012100010020102
413313130322223
5232241230000
621032420015
73161533142
oct767347253
9305303212
10131976875
11685521a8
123824760b
132145b534
1413756759
15b8be3d5
hex7ddceab

131976875 has 20 divisors (see below), whose sum is σ = 172107408. Its totient is φ = 100980000.

The previous prime is 131976863. The next prime is 131976931. The reversal of 131976875 is 578679131.

It is not a de Polignac number, because 131976875 - 26 = 131976811 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9785 + ... + 18965.

Almost surely, 2131976875 is an apocalyptic number.

131976875 is a deficient number, since it is larger than the sum of its proper divisors (40130533).

131976875 is an frugal number, since it uses more digits than its factorization.

131976875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9224 (or 9209 counting only the distinct ones).

The product of its digits is 317520, while the sum is 47.

The square root of 131976875 is about 11488.1188625466. The cubic root of 131976875 is about 509.1346018323.

The spelling of 131976875 in words is "one hundred thirty-one million, nine hundred seventy-six thousand, eight hundred seventy-five".

Divisors: 1 5 23 25 115 125 575 625 2875 9181 14375 45905 211163 229525 1055815 1147625 5279075 5738125 26395375 131976875