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131796501 = 3591076959
BaseRepresentation
bin1111101101100…
…00111000010101
3100011222221210220
413312300320111
5232214442001
621024504553
73160152234
oct766607025
9304887726
10131796501
1168439731
123817b159
13213c73c5
141370ab1b
15b885c36
hex7db0e15

131796501 has 16 divisors (see below), whose sum is σ = 180403200. Its totient is φ = 85555568.

The previous prime is 131796493. The next prime is 131796517. The reversal of 131796501 is 105697131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131796501 - 23 = 131796493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131796541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15460 + ... + 22418.

It is an arithmetic number, because the mean of its divisors is an integer number (11275200).

Almost surely, 2131796501 is an apocalyptic number.

It is an amenable number.

131796501 is a deficient number, since it is larger than the sum of its proper divisors (48606699).

131796501 is a wasteful number, since it uses less digits than its factorization.

131796501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 131796501 is about 11480.2657199213. The cubic root of 131796501 is about 508.9025497813.

The spelling of 131796501 in words is "one hundred thirty-one million, seven hundred ninety-six thousand, five hundred one".

Divisors: 1 3 59 107 177 321 6313 6959 18939 20877 410581 744613 1231743 2233839 43932167 131796501