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227668 = 22747173
BaseRepresentation
bin110111100101010100
3102120022011
4313211110
524241133
64514004
71635520
oct674524
9376264
10227668
11146061
12ab904
137c81c
145cd80
15476cd
hex37954

227668 has 24 divisors (see below), whose sum is σ = 467712. Its totient is φ = 94944.

The previous prime is 227663. The next prime is 227671. The reversal of 227668 is 866722.

It is a happy number.

227668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227663) 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, 1230 + ... + 1402.

It is an arithmetic number, because the mean of its divisors is an integer number (19488).

2227668 is an apocalyptic number.

227668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233856).

227668 is an abundant number, since it is smaller than the sum of its proper divisors (240044).

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

227668 is a wasteful number, since it uses less digits than its factorization.

227668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 229 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 227668 is about 477.1456800601. The cubic root of 227668 is about 61.0614806103.

The spelling of 227668 in words is "two hundred twenty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 47 94 173 188 329 346 658 692 1211 1316 2422 4844 8131 16262 32524 56917 113834 227668