Base | Representation |
---|---|
bin | 11100100101011… |
… | …10010010101100 |
3 | 121201012112222112 |
4 | 32102232102230 |
5 | 442341223403 |
6 | 35443303152 |
7 | 5641113650 |
oct | 1622562254 |
9 | 551175875 |
10 | 239789228 |
11 | 11339a218 |
12 | 6837aab8 |
13 | 3a8a8c23 |
14 | 23bbca60 |
15 | 160b89d8 |
hex | e4ae4ac |
239789228 has 12 divisors (see below), whose sum is σ = 479578512. Its totient is φ = 102766800.
The previous prime is 239789219. The next prime is 239789239. The reversal of 239789228 is 822987932.
239789228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
239789228 is an admirable number.
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, 4281923 + ... + 4281978.
It is an arithmetic number, because the mean of its divisors is an integer number (39964876).
Almost surely, 2239789228 is an apocalyptic number.
239789228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
239789228 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.
239789228 is a wasteful number, since it uses less digits than its factorization.
239789228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8563912 (or 8563910 counting only the distinct ones).
The product of its digits is 870912, while the sum is 50.
The square root of 239789228 is about 15485.1292535774. The cubic root of 239789228 is about 621.2645263510.
The spelling of 239789228 in words is "two hundred thirty-nine million, seven hundred eighty-nine thousand, two hundred twenty-eight".
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