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131427304 = 2329412337
BaseRepresentation
bin1111101010101…
…10101111101000
3100011022012100221
413311112233220
5232121133204
621012535424
73154053661
oct765265750
9304265327
10131427304
1168207308
1238021574
13212c8348
1413652368
15b811654
hex7d56be8

131427304 has 48 divisors (see below), whose sum is σ = 262068300. Its totient is φ = 61716480.

The previous prime is 131427301. The next prime is 131427341. The reversal of 131427304 is 403724131.

It can be written as a sum of positive squares in 6 ways, for example, as 1695204 + 129732100 = 1302^2 + 11390^2 .

It is not an unprimeable number, because it can be changed into a prime (131427301) 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, 389824 + ... + 390160.

Almost surely, 2131427304 is an apocalyptic number.

It is an amenable number.

131427304 is a deficient number, since it is larger than the sum of its proper divisors (130640996).

131427304 is a wasteful number, since it uses less digits than its factorization.

131427304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 131427304 is about 11464.1748067622. The cubic root of 131427304 is about 508.4269149816.

The spelling of 131427304 in words is "one hundred thirty-one million, four hundred twenty-seven thousand, three hundred four".

Divisors: 1 2 4 8 29 41 58 82 116 164 232 328 337 674 1189 1348 1681 2378 2696 3362 4756 6724 9512 9773 13448 13817 19546 27634 39092 48749 55268 78184 97498 110536 194996 389992 400693 566497 801386 1132994 1602772 2265988 3205544 4531976 16428413 32856826 65713652 131427304