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131427248 = 2471115693
BaseRepresentation
bin1111101010101…
…10101110110000
3100011022012021212
413311112232300
5232121132443
621012535252
73154053551
oct765265660
9304265255
10131427248
1168207267
1238021528
13212c8304
1413652328
15b811618
hex7d56bb0

131427248 has 20 divisors (see below), whose sum is σ = 258229008. Its totient is φ = 64787520.

The previous prime is 131427223. The next prime is 131427269. The reversal of 131427248 is 842724131.

131427248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56711 + ... + 58982.

Almost surely, 2131427248 is an apocalyptic number.

It is an amenable number.

131427248 is a deficient number, since it is larger than the sum of its proper divisors (126801760).

131427248 is a wasteful number, since it uses less digits than its factorization.

131427248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115772 (or 115766 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 131427248 is about 11464.1723643707. The cubic root of 131427248 is about 508.4268427695.

The spelling of 131427248 in words is "one hundred thirty-one million, four hundred twenty-seven thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 71 142 284 568 1136 115693 231386 462772 925544 1851088 8214203 16428406 32856812 65713624 131427248