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131294 = 265647
BaseRepresentation
bin100000000011011110
320200002202
4200003132
513200134
62451502
71054532
oct400336
9220082
10131294
118a709
1263b92
13479b7
1435bc2
1528d7e
hex200de

131294 has 4 divisors (see below), whose sum is σ = 196944. Its totient is φ = 65646.

The previous prime is 131293. The next prime is 131297. The reversal of 131294 is 492131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 492131 = 2321397.

It is a super-2 number, since 2×1312942 = 34476228872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131293) 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, 32822 + ... + 32825.

It is an arithmetic number, because the mean of its divisors is an integer number (49236).

2131294 is an apocalyptic number.

131294 is a deficient number, since it is larger than the sum of its proper divisors (65650).

131294 is an equidigital number, since it uses as much as digits as its factorization.

131294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65649.

The product of its digits is 216, while the sum is 20.

The square root of 131294 is about 362.3451393354. The cubic root of 131294 is about 50.8254961192.

The spelling of 131294 in words is "one hundred thirty-one thousand, two hundred ninety-four".

Divisors: 1 2 65647 131294