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131411982 = 23131684769
BaseRepresentation
bin1111101010100…
…11000000001110
3100011021102100110
413311103000032
5232120140412
621012340450
73153661212
oct765230016
9304242313
10131411982
11681a6849
1238014726
13212c1390
141364a942
15b80bd3c
hex7d5300e

131411982 has 16 divisors (see below), whose sum is σ = 283041360. Its totient is φ = 40434432.

The previous prime is 131411981. The next prime is 131412019. The reversal of 131411982 is 289114131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131411981) 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 7 ways as a sum of consecutive naturals, for example, 842307 + ... + 842462.

It is an arithmetic number, because the mean of its divisors is an integer number (17690085).

Almost surely, 2131411982 is an apocalyptic number.

131411982 is an abundant number, since it is smaller than the sum of its proper divisors (151629378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131411982 is a wasteful number, since it uses less digits than its factorization.

131411982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684787.

The product of its digits is 1728, while the sum is 30.

The square root of 131411982 is about 11463.5065315984. The cubic root of 131411982 is about 508.4071564796.

The spelling of 131411982 in words is "one hundred thirty-one million, four hundred eleven thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 13 26 39 78 1684769 3369538 5054307 10108614 21901997 43803994 65705991 131411982