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131529395 = 538336863
BaseRepresentation
bin1111101011011…
…11101010110011
3100011111101102002
413311233222303
5232132420040
621015044215
73154660424
oct765575263
9304441362
10131529395
1168276a88
123807066b
132133295a
141367b64b
15b831a15
hex7d6fab3

131529395 has 8 divisors (see below), whose sum is σ = 157899456. Its totient is φ = 105180736.

The previous prime is 131529383. The next prime is 131529397. The reversal of 131529395 is 593925131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131529395 - 224 = 114752179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131529397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15734 + ... + 22596.

It is an arithmetic number, because the mean of its divisors is an integer number (19737432).

Almost surely, 2131529395 is an apocalyptic number.

131529395 is a deficient number, since it is larger than the sum of its proper divisors (26370061).

131529395 is an equidigital number, since it uses as much as digits as its factorization.

131529395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10701.

The product of its digits is 36450, while the sum is 38.

The square root of 131529395 is about 11468.6265524691. The cubic root of 131529395 is about 508.5585273546.

The spelling of 131529395 in words is "one hundred thirty-one million, five hundred twenty-nine thousand, three hundred ninety-five".

Divisors: 1 5 3833 6863 19165 34315 26305879 131529395