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131432334 = 231111317623
BaseRepresentation
bin1111101010101…
…11111110001110
3100011022110021020
413311113332032
5232121313314
621013015010
73154104435
oct765277616
9304273236
10131432334
1168210070
1238024466
13212ca717
141365411c
15b812da9
hex7d57f8e

131432334 has 32 divisors (see below), whose sum is σ = 289315584. Its totient is φ = 39473280.

The previous prime is 131432317. The next prime is 131432383. The reversal of 131432334 is 433234131.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1354 + ... + 16269.

It is an arithmetic number, because the mean of its divisors is an integer number (9041112).

Almost surely, 2131432334 is an apocalyptic number.

131432334 is an abundant number, since it is smaller than the sum of its proper divisors (157883250).

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

131432334 is a wasteful number, since it uses less digits than its factorization.

131432334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17752.

The product of its digits is 2592, while the sum is 24.

The square root of 131432334 is about 11464.3941837325. The cubic root of 131432334 is about 508.4334010888.

Adding to 131432334 its reverse (433234131), we get a palindrome (564666465).

The spelling of 131432334 in words is "one hundred thirty-one million, four hundred thirty-two thousand, three hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 113 226 339 678 1243 2486 3729 7458 17623 35246 52869 105738 193853 387706 581559 1163118 1991399 3982798 5974197 11948394 21905389 43810778 65716167 131432334