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131630 = 2513163
BaseRepresentation
bin100000001000101110
320200120012
4200020232
513203010
62453222
71055522
oct401056
9220505
10131630
118a994
1264212
1347bb5
1435d82
1529005
hex2022e

131630 has 8 divisors (see below), whose sum is σ = 236952. Its totient is φ = 52648.

The previous prime is 131627. The next prime is 131639. The reversal of 131630 is 36131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6572 + ... + 6591.

It is an arithmetic number, because the mean of its divisors is an integer number (29619).

2131630 is an apocalyptic number.

131630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131630 is a deficient number, since it is larger than the sum of its proper divisors (105322).

131630 is a wasteful number, since it uses less digits than its factorization.

131630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13170.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 131630 is about 362.8084894266. The cubic root of 131630 is about 50.8688157418.

Adding to 131630 its reverse (36131), we get a palindrome (167761).

The spelling of 131630 in words is "one hundred thirty-one thousand, six hundred thirty".

Divisors: 1 2 5 10 13163 26326 65815 131630