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131369356 = 2261538399
BaseRepresentation
bin1111101010010…
…00100110001100
3100011012020212201
413311020212030
5232112304411
621011411244
73153423016
oct765104614
9304166781
10131369356
1168177818
1237bb3b24
13212a7b61
14136391b6
15b7ee3c1
hex7d4898c

131369356 has 12 divisors (see below), whose sum is σ = 233665600. Its totient is φ = 64607760.

The previous prime is 131369347. The next prime is 131369369. The reversal of 131369356 is 653963131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268956 + ... + 269443.

Almost surely, 2131369356 is an apocalyptic number.

It is an amenable number.

131369356 is a deficient number, since it is larger than the sum of its proper divisors (102296244).

131369356 is a wasteful number, since it uses less digits than its factorization.

131369356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538464 (or 538462 counting only the distinct ones).

The product of its digits is 43740, while the sum is 37.

The square root of 131369356 is about 11461.6471765624. The cubic root of 131369356 is about 508.3521799934.

The spelling of 131369356 in words is "one hundred thirty-one million, three hundred sixty-nine thousand, three hundred fifty-six".

Divisors: 1 2 4 61 122 244 538399 1076798 2153596 32842339 65684678 131369356