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131875 = 54211
BaseRepresentation
bin100000001100100011
320200220021
4200030203
513210000
62454311
71056322
oct401443
9220807
10131875
1190097
1264397
1348043
14360b9
152911a
hex20323

131875 has 10 divisors (see below), whose sum is σ = 165572. Its totient is φ = 105000.

The previous prime is 131861. The next prime is 131891. The reversal of 131875 is 578131.

It is not a de Polignac number, because 131875 - 29 = 131363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

131875 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 520 + ... + 730.

2131875 is an apocalyptic number.

131875 is a deficient number, since it is larger than the sum of its proper divisors (33697).

131875 is an frugal number, since it uses more digits than its factorization.

131875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 216 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 131875 is about 363.1459761583. The cubic root of 131875 is about 50.9003565141.

The spelling of 131875 in words is "one hundred thirty-one thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 211 625 1055 5275 26375 131875