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83925 = 3252373
BaseRepresentation
bin10100011111010101
311021010100
4110133111
510141200
61444313
7466452
oct243725
9137110
1083925
1158066
1240699
132c27a
1422829
1519d00
hex147d5

83925 has 18 divisors (see below), whose sum is σ = 150722. Its totient is φ = 44640.

The previous prime is 83921. The next prime is 83933. The reversal of 83925 is 52938.

It can be written as a sum of positive squares in 3 ways, for example, as 6084 + 77841 = 78^2 + 279^2 .

It is not a de Polignac number, because 83925 - 22 = 83921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83921) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 39 + ... + 411.

283925 is an apocalyptic number.

It is an amenable number.

83925 is a deficient number, since it is larger than the sum of its proper divisors (66797).

83925 is a wasteful number, since it uses less digits than its factorization.

83925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 381 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 83925 is about 289.6981187374. The cubic root of 83925 is about 43.7821532345.

The spelling of 83925 in words is "eighty-three thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 373 1119 1865 3357 5595 9325 16785 27975 83925