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228114688 = 284718959
BaseRepresentation
bin11011001100011…
…00000100000000
3120220020102112011
431212030010000
5431344132223
634345142304
75436641254
oct1546140400
9526212464
10228114688
11107845a3a
126448a994
133834c109
1422420264
151505e80d
hexd98c100

228114688 has 36 divisors (see below), whose sum is σ = 465050880. Its totient is φ = 111624704.

The previous prime is 228114673. The next prime is 228114701. The reversal of 228114688 is 886411822.

228114688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 228114688.

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, 2553 + ... + 21511.

It is an arithmetic number, because the mean of its divisors is an integer number (12918080).

Almost surely, 2228114688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228114688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232525440).

228114688 is an abundant number, since it is smaller than the sum of its proper divisors (236936192).

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

228114688 is an equidigital number, since it uses as much as digits as its factorization.

228114688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19022 (or 19008 counting only the distinct ones).

The product of its digits is 49152, while the sum is 40.

The square root of 228114688 is about 15103.4660922584. The cubic root of 228114688 is about 611.0138903217.

The spelling of 228114688 in words is "two hundred twenty-eight million, one hundred fourteen thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 32 47 64 94 128 188 256 376 752 1504 3008 6016 12032 18959 37918 75836 151672 303344 606688 891073 1213376 1782146 2426752 3564292 4853504 7128584 14257168 28514336 57028672 114057344 228114688