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131839227 = 32131126831
BaseRepresentation
bin1111101101110…
…11010011111011
3100012002010102100
413312323103323
5232222323402
621025434443
73160420632
oct766732373
9305063370
10131839227
1168468843
123819ba23
13214109a0
141371c519
15b89371c
hex7dbb4fb

131839227 has 12 divisors (see below), whose sum is σ = 205083424. Its totient is φ = 81131760.

The previous prime is 131839219. The next prime is 131839273. The reversal of 131839227 is 722938131.

It is not a de Polignac number, because 131839227 - 23 = 131839219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131839191 and 131839200.

It is not an unprimeable number, because it can be changed into a prime (131839297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 563299 + ... + 563532.

Almost surely, 2131839227 is an apocalyptic number.

131839227 is a deficient number, since it is larger than the sum of its proper divisors (73244197).

131839227 is a wasteful number, since it uses less digits than its factorization.

131839227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126850 (or 1126847 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 131839227 is about 11482.1264145628. The cubic root of 131839227 is about 508.9575361201.

The spelling of 131839227 in words is "one hundred thirty-one million, eight hundred thirty-nine thousand, two hundred twenty-seven".

Divisors: 1 3 9 13 39 117 1126831 3380493 10141479 14648803 43946409 131839227