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131090589 = 337693601
BaseRepresentation
bin1111101000001…
…00100010011101
3100010200002111000
413310010202131
5232024344324
621001420513
73151152210
oct764044235
9303602430
10131090589
1167aa7333
1237a9a739
132120acc6
14135a5777
15b7969c9
hex7d0489d

131090589 has 16 divisors (see below), whose sum is σ = 221952640. Its totient is φ = 74908800.

The previous prime is 131090573. The next prime is 131090623. The reversal of 131090589 is 985090131.

It is a happy number.

It is not a de Polignac number, because 131090589 - 24 = 131090573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131090549) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 346612 + ... + 346989.

It is an arithmetic number, because the mean of its divisors is an integer number (13872040).

Almost surely, 2131090589 is an apocalyptic number.

It is an amenable number.

131090589 is a deficient number, since it is larger than the sum of its proper divisors (90862051).

131090589 is an equidigital number, since it uses as much as digits as its factorization.

131090589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693617 (or 693611 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 131090589 is about 11449.4798571813. The cubic root of 131090589 is about 507.9923493278.

The spelling of 131090589 in words is "one hundred thirty-one million, ninety thousand, five hundred eighty-nine".

Divisors: 1 3 7 9 21 27 63 189 693601 2080803 4855207 6242409 14565621 18727227 43696863 131090589