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131376583 = 13192918341
BaseRepresentation
bin1111101010010…
…10010111000111
3100011012121210101
413311022113013
5232113022313
621011504531
73153453052
oct765122707
9304177711
10131376583
1168182198
1237bb8147
13212ab230
141363ba99
15b8015dd
hex7d4a5c7

131376583 has 16 divisors (see below), whose sum is σ = 154072800. Its totient is φ = 110920320.

The previous prime is 131376577. The next prime is 131376599. The reversal of 131376583 is 385673131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131376583 - 25 = 131376551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131376563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2008 + ... + 16333.

It is an arithmetic number, because the mean of its divisors is an integer number (9629550).

Almost surely, 2131376583 is an apocalyptic number.

131376583 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131376583 is a deficient number, since it is larger than the sum of its proper divisors (22696217).

131376583 is a wasteful number, since it uses less digits than its factorization.

131376583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18402.

The product of its digits is 45360, while the sum is 37.

The square root of 131376583 is about 11461.9624410482. The cubic root of 131376583 is about 508.3615017864.

The spelling of 131376583 in words is "one hundred thirty-one million, three hundred seventy-six thousand, five hundred eighty-three".

Divisors: 1 13 19 29 247 377 551 7163 18341 238433 348479 531889 4530227 6914557 10105891 131376583