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131696 = 248231
BaseRepresentation
bin100000001001110000
320200122122
4200021300
513203241
62453412
71055645
oct401160
9220578
10131696
118aa44
1264268
1347c36
1435dcc
152904b
hex20270

131696 has 10 divisors (see below), whose sum is σ = 255192. Its totient is φ = 65840.

The previous prime is 131687. The next prime is 131701. The reversal of 131696 is 696131.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 131696.

It is an unprimeable number.

131696 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4100 + ... + 4131.

2131696 is an apocalyptic number.

131696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131696 is a deficient number, since it is larger than the sum of its proper divisors (123496).

131696 is an equidigital number, since it uses as much as digits as its factorization.

131696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8239 (or 8233 counting only the distinct ones).

The product of its digits is 972, while the sum is 26.

The square root of 131696 is about 362.8994351057. The cubic root of 131696 is about 50.8773162884.

The spelling of 131696 in words is "one hundred thirty-one thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 8231 16462 32924 65848 131696