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226831556 = 2278101127
BaseRepresentation
bin11011000010100…
…10110011000100
3120210211020101202
431201102303010
5431032102211
634301442032
75423015330
oct1541226304
9523736352
10226831556
111070499a6
1263b70318
1337cc0073
14221a87c0
1514da953b
hexd852cc4

226831556 has 12 divisors (see below), whose sum is σ = 453663168. Its totient is φ = 97213512.

The previous prime is 226831531. The next prime is 226831603. The reversal of 226831556 is 655138622.

226831556 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

226831556 is an admirable number.

It is a super-2 number, since 2×2268315562 = 102905109594762272, which contains 22 as substring.

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, 4050536 + ... + 4050591.

It is an arithmetic number, because the mean of its divisors is an integer number (37805264).

Almost surely, 2226831556 is an apocalyptic number.

It is an amenable number.

226831556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

226831556 is a wasteful number, since it uses less digits than its factorization.

226831556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101138 (or 8101136 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 226831556 is about 15060.9281254510. The cubic root of 226831556 is about 609.8660962018.

The spelling of 226831556 in words is "two hundred twenty-six million, eight hundred thirty-one thousand, five hundred fifty-six".

Divisors: 1 2 4 7 14 28 8101127 16202254 32404508 56707889 113415778 226831556