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227960226 = 23213974189
BaseRepresentation
bin11011001011001…
…10010110100010
3120212221120122100
431211212112202
5431324211401
634341551230
75435426034
oct1545462642
9525846570
10227960226
1110774a98a
1264415516
13382c6a10
14223bdc54
151502db86
hexd9665a2

227960226 has 24 divisors (see below), whose sum is σ = 531907740. Its totient is φ = 70141536.

The previous prime is 227960221. The next prime is 227960237. The reversal of 227960226 is 622069722.

227960226 is a `hidden beast` number, since 2 + 27 + 9 + 602 + 26 = 666.

227960226 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 200930625 + 27029601 = 14175^2 + 5199^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (227960221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486861 + ... + 487328.

Almost surely, 2227960226 is an apocalyptic number.

227960226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

227960226 is an abundant number, since it is smaller than the sum of its proper divisors (303947514).

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

227960226 is a wasteful number, since it uses less digits than its factorization.

227960226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974210 (or 974207 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 227960226 is about 15098.3517643483. The cubic root of 227960226 is about 610.8759483967.

The spelling of 227960226 in words is "two hundred twenty-seven million, nine hundred sixty thousand, two hundred twenty-six".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 974189 1948378 2922567 5845134 8767701 12664457 17535402 25328914 37993371 75986742 113980113 227960226