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227998956 = 22318999913
BaseRepresentation
bin11011001011011…
…11110011101100
3120220000112202210
431211233303230
5431331431311
634342450420
75435646663
oct1545576354
9526015683
10227998956
11107776a99
1264433a10
133830b533
14223cddda
151503a3a6
hexd96fcec

227998956 has 12 divisors (see below), whose sum is σ = 531997592. Its totient is φ = 75999648.

The previous prime is 227998933. The next prime is 227998961. The reversal of 227998956 is 659899722.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 227998896 and 227998905.

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, 9499945 + ... + 9499968.

Almost surely, 2227998956 is an apocalyptic number.

It is an amenable number.

227998956 is an abundant number, since it is smaller than the sum of its proper divisors (303998636).

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

227998956 is a wasteful number, since it uses less digits than its factorization.

227998956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18999920 (or 18999918 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 57.

The square root of 227998956 is about 15099.6343002074. The cubic root of 227998956 is about 610.9105419837.

The spelling of 227998956 in words is "two hundred twenty-seven million, nine hundred ninety-eight thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 18999913 37999826 56999739 75999652 113999478 227998956