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225582 = 23741131
BaseRepresentation
bin110111000100101110
3102110102220
4313010232
524204312
64500210
71626450
oct670456
9373386
10225582
11144535
12aa666
137b8a6
145c2d0
1546c8c
hex3712e

225582 has 32 divisors (see below), whose sum is σ = 532224. Its totient is φ = 62400.

The previous prime is 225581. The next prime is 225583. The reversal of 225582 is 285522.

225582 is digitally balanced in base 3, 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 (225581) and next prime (225583).

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657 + ... + 1787.

It is an arithmetic number, because the mean of its divisors is an integer number (16632).

2225582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266112).

225582 is an abundant number, since it is smaller than the sum of its proper divisors (306642).

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

225582 is a wasteful number, since it uses less digits than its factorization.

225582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184.

The product of its digits is 1600, while the sum is 24.

The square root of 225582 is about 474.9547346853. The cubic root of 225582 is about 60.8744169011.

The spelling of 225582 in words is "two hundred twenty-five thousand, five hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 41 42 82 123 131 246 262 287 393 574 786 861 917 1722 1834 2751 5371 5502 10742 16113 32226 37597 75194 112791 225582