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226660 = 22571619
BaseRepresentation
bin110111010101100100
3102111220211
4313111210
524223120
64505204
71632550
oct672544
9374824
10226660
11145325
12ab204
137c225
145c860
154725a
hex37564

226660 has 24 divisors (see below), whose sum is σ = 544320. Its totient is φ = 77664.

The previous prime is 226657. The next prime is 226663. The reversal of 226660 is 66622.

It is an interprime number because it is at equal distance from previous prime (226657) and next prime (226663).

It is not an unprimeable number, because it can be changed into a prime (226663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670 + ... + 949.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2226660 is an apocalyptic number.

226660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226660 is an abundant number, since it is smaller than the sum of its proper divisors (317660).

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

226660 is a wasteful number, since it uses less digits than its factorization.

226660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 226660 is about 476.0882271176. The cubic root of 226660 is about 60.9712307229.

It can be divided in two parts, 2 and 26660, that added together give a palindrome (26662).

The spelling of 226660 in words is "two hundred twenty-six thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1619 3238 6476 8095 11333 16190 22666 32380 45332 56665 113330 226660