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131332510 = 2585915289
BaseRepresentation
bin1111101001111…
…11100110011110
3100011010101100001
413310333212132
5232110120020
621010524514
73153210421
oct764774636
9304111301
10131332510
1168152071
1237b9673a
132129415a
14136299b8
15b7e350a
hex7d3f99e

131332510 has 16 divisors (see below), whose sum is σ = 236689200. Its totient is φ = 52468416.

The previous prime is 131332459. The next prime is 131332559. The reversal of 131332510 is 15233131.

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 7 ways as a sum of consecutive naturals, for example, 946 + ... + 16234.

It is an arithmetic number, because the mean of its divisors is an integer number (14793075).

Almost surely, 2131332510 is an apocalyptic number.

131332510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131332510 is a deficient number, since it is larger than the sum of its proper divisors (105356690).

131332510 is a wasteful number, since it uses less digits than its factorization.

131332510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16155.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 131332510 is about 11460.0397032471. The cubic root of 131332510 is about 508.3046486247.

Adding to 131332510 its reverse (15233131), we get a palindrome (146565641).

The spelling of 131332510 in words is "one hundred thirty-one million, three hundred thirty-two thousand, five hundred ten".

Divisors: 1 2 5 10 859 1718 4295 8590 15289 30578 76445 152890 13133251 26266502 65666255 131332510