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131172364 = 2246397069
BaseRepresentation
bin1111101000110…
…00100000001100
3100010211020122201
413310120200030
5232040003424
621003251244
73151642501
oct764304014
9303736581
10131172364
1168052814
1237b19b24
13212392ab
14135c74a8
15b7b0d44
hex7d1880c

131172364 has 12 divisors (see below), whose sum is σ = 229633600. Its totient is φ = 65562768.

The previous prime is 131172359. The next prime is 131172367. The reversal of 131172364 is 463271131.

It is not an unprimeable number, because it can be changed into a prime (131172367) 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, 15022 + ... + 22090.

Almost surely, 2131172364 is an apocalyptic number.

It is an amenable number.

131172364 is a deficient number, since it is larger than the sum of its proper divisors (98461236).

131172364 is a wasteful number, since it uses less digits than its factorization.

131172364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11712 (or 11710 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 131172364 is about 11453.0504233588. The cubic root of 131172364 is about 508.0979568059.

The spelling of 131172364 in words is "one hundred thirty-one million, one hundred seventy-two thousand, three hundred sixty-four".

Divisors: 1 2 4 4639 7069 9278 14138 18556 28276 32793091 65586182 131172364