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228285996 = 223171119049
BaseRepresentation
bin11011001101101…
…01111000101100
3120220120010111220
431212311320230
5431420122441
634352543340
75441253561
oct1546657054
9526503456
10228285996
11107952714
1264551b50
13383ac093
1422466868
1515095466
hexd9b5e2c

228285996 has 24 divisors (see below), whose sum is σ = 564001200. Its totient is φ = 71619072.

The previous prime is 228285989. The next prime is 228286021. The reversal of 228285996 is 699582822.

228285996 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2282859962 = 104228991939424032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559321 + ... + 559728.

It is an arithmetic number, because the mean of its divisors is an integer number (23500050).

Almost surely, 2228285996 is an apocalyptic number.

It is an amenable number.

228285996 is an abundant number, since it is smaller than the sum of its proper divisors (335715204).

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

228285996 is a wasteful number, since it uses less digits than its factorization.

228285996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119073 (or 1119071 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 228285996 is about 15109.1361764993. The cubic root of 228285996 is about 611.1668037202.

The spelling of 228285996 in words is "two hundred twenty-eight million, two hundred eighty-five thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1119049 2238098 3357147 4476196 6714294 13428588 19023833 38047666 57071499 76095332 114142998 228285996