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226580 = 22511329
BaseRepresentation
bin110111010100010100
3102111210212
4313110110
524222310
64504552
71632404
oct672424
9374725
10226580
11145262
12ab158
137c193
145c804
1547205
hex37514

226580 has 12 divisors (see below), whose sum is σ = 475860. Its totient is φ = 90624.

The previous prime is 226571. The next prime is 226601. The reversal of 226580 is 85622.

It is a happy number.

226580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 80656 + 145924 = 284^2 + 382^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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, 5645 + ... + 5684.

It is an arithmetic number, because the mean of its divisors is an integer number (39655).

2226580 is an apocalyptic number.

226580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226580 is an abundant number, since it is smaller than the sum of its proper divisors (249280).

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

226580 is a wasteful number, since it uses less digits than its factorization.

226580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11338 (or 11336 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 226580 is about 476.0042016621. The cubic root of 226580 is about 60.9640565819.

The spelling of 226580 in words is "two hundred twenty-six thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 11329 22658 45316 56645 113290 226580