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225904 = 2472017
BaseRepresentation
bin110111001001110000
3102110212211
4313021300
524212104
64501504
71630420
oct671160
9373784
10225904
111447a8
12aa894
137ba93
145c480
1546e04
hex37270

225904 has 20 divisors (see below), whose sum is σ = 500464. Its totient is φ = 96768.

The previous prime is 225889. The next prime is 225919. The reversal of 225904 is 409522.

It is a happy number.

225904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225889) and next prime (225919).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897 + ... + 1120.

2225904 is an apocalyptic number.

It is an amenable number.

225904 is an abundant number, since it is smaller than the sum of its proper divisors (274560).

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

225904 is a wasteful number, since it uses less digits than its factorization.

225904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 225904 is about 475.2935934767. The cubic root of 225904 is about 60.9033675607.

The spelling of 225904 in words is "two hundred twenty-five thousand, nine hundred four".

Divisors: 1 2 4 7 8 14 16 28 56 112 2017 4034 8068 14119 16136 28238 32272 56476 112952 225904