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131424324 = 22316765581
BaseRepresentation
bin1111101010101…
…10000001000100
3100011022001021120
413311112001010
5232121034244
621012513540
73154042203
oct765260104
9304261246
10131424324
1168205049
123801b8b0
13212c6b95
141365123a
15b810819
hex7d56044

131424324 has 24 divisors (see below), whose sum is σ = 308497728. Its totient is φ = 43545120.

The previous prime is 131424301. The next prime is 131424341. The reversal of 131424324 is 423424131.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 131424294 and 131424303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30787 + ... + 34794.

It is an arithmetic number, because the mean of its divisors is an integer number (12854072).

Almost surely, 2131424324 is an apocalyptic number.

It is an amenable number.

131424324 is an abundant number, since it is smaller than the sum of its proper divisors (177073404).

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

131424324 is a wasteful number, since it uses less digits than its factorization.

131424324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65755 (or 65753 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 131424324 is about 11464.0448359207. The cubic root of 131424324 is about 508.4230722396.

Adding to 131424324 its reverse (423424131), we get a palindrome (554848455).

The spelling of 131424324 in words is "one hundred thirty-one million, four hundred twenty-four thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 167 334 501 668 1002 2004 65581 131162 196743 262324 393486 786972 10952027 21904054 32856081 43808108 65712162 131424324