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131910 = 2354397
BaseRepresentation
bin100000001101000110
320200221120
4200031012
513210120
62454410
71056402
oct401506
9220846
10131910
1190119
1264406
134806c
1436102
1529140
hex20346

131910 has 16 divisors (see below), whose sum is σ = 316656. Its totient is φ = 35168.

The previous prime is 131909. The next prime is 131927. The reversal of 131910 is 19131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131910.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2169 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (19791).

2131910 is an apocalyptic number.

131910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131910 is an abundant number, since it is smaller than the sum of its proper divisors (184746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131910 is a wasteful number, since it uses less digits than its factorization.

131910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 131910 is about 363.1941629487. The cubic root of 131910 is about 50.9048591489.

The spelling of 131910 in words is "one hundred thirty-one thousand, nine hundred ten".

Divisors: 1 2 3 5 6 10 15 30 4397 8794 13191 21985 26382 43970 65955 131910