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131324 = 2232831
BaseRepresentation
bin100000000011111100
320200010212
4200003330
513200244
62451552
71054604
oct400374
9220125
10131324
118a736
1263bb8
1347a0b
1435c04
1528d9e
hex200fc

131324 has 6 divisors (see below), whose sum is σ = 229824. Its totient is φ = 65660.

The previous prime is 131321. The next prime is 131357. The reversal of 131324 is 423131.

It is a d-powerful number, because it can be written as 1 + 3 + 35 + 1 + 217 + 4 .

It is a junction number, because it is equal to n+sod(n) for n = 131299 and 131308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16412 + ... + 16419.

It is an arithmetic number, because the mean of its divisors is an integer number (38304).

2131324 is an apocalyptic number.

It is an amenable number.

131324 is a deficient number, since it is larger than the sum of its proper divisors (98500).

131324 is a wasteful number, since it uses less digits than its factorization.

131324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32835 (or 32833 counting only the distinct ones).

The product of its digits is 72, while the sum is 14.

The square root of 131324 is about 362.3865339662. The cubic root of 131324 is about 50.8293669454.

Adding to 131324 its reverse (423131), we get a palindrome (554455).

The spelling of 131324 in words is "one hundred thirty-one thousand, three hundred twenty-four".

Divisors: 1 2 4 32831 65662 131324