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84531925 = 527274651
BaseRepresentation
bin1010000100111…
…01101011010101
312220001200000001
411002131223111
5133120010200
612215451301
72044336522
oct502355325
9186050001
1084531925
11437970a5
1224386b31
13146890ba
14b326149
15764b76a
hex509dad5

84531925 has 12 divisors (see below), whose sum is σ = 104986336. Its totient is φ = 67518000.

The previous prime is 84531917. The next prime is 84531929. The reversal of 84531925 is 52913548.

It is not a de Polignac number, because 84531925 - 23 = 84531917 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84531929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15850 + ... + 20500.

Almost surely, 284531925 is an apocalyptic number.

It is an amenable number.

84531925 is a deficient number, since it is larger than the sum of its proper divisors (20454411).

84531925 is a wasteful number, since it uses less digits than its factorization.

84531925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388 (or 5383 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 84531925 is about 9194.1244825160. The cubic root of 84531925 is about 438.8744043241.

The spelling of 84531925 in words is "eighty-four million, five hundred thirty-one thousand, nine hundred twenty-five".

Divisors: 1 5 25 727 3635 4651 18175 23255 116275 3381277 16906385 84531925