Base | Representation |
---|---|
bin | 11100100110001… |
… | …00101101101100 |
3 | 121201101012222000 |
4 | 32103010231230 |
5 | 442402143233 |
6 | 35445252300 |
7 | 5641645500 |
oct | 1623045554 |
9 | 551335860 |
10 | 239881068 |
11 | 113452219 |
12 | 68404090 |
13 | 3a90b97b |
14 | 23c04300 |
15 | 160d5d13 |
hex | e4c4b6c |
239881068 has 72 divisors (see below), whose sum is σ = 723466800. Its totient is φ = 68535936.
The previous prime is 239881063. The next prime is 239881087. The reversal of 239881068 is 860188932.
239881068 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (239881063) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17373 + ... + 27956.
It is an arithmetic number, because the mean of its divisors is an integer number (10048150).
Almost surely, 2239881068 is an apocalyptic number.
239881068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
239881068 is an abundant number, since it is smaller than the sum of its proper divisors (483585732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
239881068 is a wasteful number, since it uses less digits than its factorization.
239881068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45356 (or 45341 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 45.
The square root of 239881068 is about 15488.0943953735. The cubic root of 239881068 is about 621.3438316250.
The spelling of 239881068 in words is "two hundred thirty-nine million, eight hundred eighty-one thousand, sixty-eight".
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