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225589 = 7133767
BaseRepresentation
bin110111000100110101
3102110110011
4313010311
524204324
64500221
71626460
oct670465
9373404
10225589
11144541
12aa671
137b8b0
145c2d7
1546c94
hex37135

225589 has 16 divisors (see below), whose sum is σ = 289408. Its totient is φ = 171072.

The previous prime is 225583. The next prime is 225601. The reversal of 225589 is 985522.

It is a happy number.

It is a 5-Lehmer number, since φ(225589) divides (225589-1)5.

It is a cyclic number.

It is not a de Polignac number, because 225589 - 23 = 225581 is a prime.

It is a deceptive number, since it divides R225588.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 225589.

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, 3334 + ... + 3400.

It is an arithmetic number, because the mean of its divisors is an integer number (18088).

2225589 is an apocalyptic number.

It is an amenable number.

225589 is a deficient number, since it is larger than the sum of its proper divisors (63819).

225589 is a wasteful number, since it uses less digits than its factorization.

225589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124.

The product of its digits is 7200, while the sum is 31.

The square root of 225589 is about 474.9621037514. The cubic root of 225589 is about 60.8750465561.

The spelling of 225589 in words is "two hundred twenty-five thousand, five hundred eighty-nine".

Divisors: 1 7 13 37 67 91 259 469 481 871 2479 3367 6097 17353 32227 225589