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234012228 = 22319501019
BaseRepresentation
bin11011111001010…
…11111001000100
3121022100001102120
431330223321010
5434401342403
635115405540
75541033252
oct1574537104
9538301376
10234012228
1111010393a
12664538b0
1339635598
14231175d2
1515826e53
hexdf2be44

234012228 has 12 divisors (see below), whose sum is σ = 546028560. Its totient is φ = 78004072.

The previous prime is 234012221. The next prime is 234012263. The reversal of 234012228 is 822210432.

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 = 234012198 and 234012207.

It is not an unprimeable number, because it can be changed into a prime (234012221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9750498 + ... + 9750521.

It is an arithmetic number, because the mean of its divisors is an integer number (45502380).

Almost surely, 2234012228 is an apocalyptic number.

It is an amenable number.

234012228 is an abundant number, since it is smaller than the sum of its proper divisors (312016332).

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

234012228 is a wasteful number, since it uses less digits than its factorization.

234012228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19501026 (or 19501024 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 234012228 is about 15297.4582202404. The cubic root of 234012228 is about 616.2347484729.

The spelling of 234012228 in words is "two hundred thirty-four million, twelve thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 19501019 39002038 58503057 78004076 117006114 234012228