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131436372 = 22310953031
BaseRepresentation
bin1111101010110…
…00111101010100
3100011022122210210
413311120331110
5232121430442
621013045420
73154122264
oct765307524
9304278723
10131436372
1168213101
1238026870
13212cc502
14136557a4
15b81419c
hex7d58f54

131436372 has 12 divisors (see below), whose sum is σ = 306684896. Its totient is φ = 43812120.

The previous prime is 131436341. The next prime is 131436391. The reversal of 131436372 is 273634131.

131436372 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5476504 + ... + 5476527.

Almost surely, 2131436372 is an apocalyptic number.

131436372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131436372 is an abundant number, since it is smaller than the sum of its proper divisors (175248524).

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

131436372 is a wasteful number, since it uses less digits than its factorization.

131436372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10953038 (or 10953036 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 131436372 is about 11464.5702928631. The cubic root of 131436372 is about 508.4386079076.

The spelling of 131436372 in words is "one hundred thirty-one million, four hundred thirty-six thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 10953031 21906062 32859093 43812124 65718186 131436372