Base | Representation |
---|---|
bin | 11100100001010… |
… | …00111010101000 |
3 | 121200011210120220 |
4 | 32100220322220 |
5 | 442221233140 |
6 | 35423450040 |
7 | 5633350140 |
oct | 1620507250 |
9 | 550153526 |
10 | 239242920 |
11 | 113056824 |
12 | 68156920 |
13 | 3a747377 |
14 | 23ab9920 |
15 | 1600bbd0 |
hex | e428ea8 |
239242920 has 64 divisors (see below), whose sum is σ = 820264320. Its totient is φ = 54683904.
The previous prime is 239242891. The next prime is 239242937. The reversal of 239242920 is 29242932.
It is a happy number.
239242920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141567 + ... + 143246.
It is an arithmetic number, because the mean of its divisors is an integer number (12816630).
Almost surely, 2239242920 is an apocalyptic number.
239242920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
239242920 is an abundant number, since it is smaller than the sum of its proper divisors (581021400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
239242920 is a wasteful number, since it uses less digits than its factorization.
239242920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284834 (or 284830 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 33.
The square root of 239242920 is about 15467.4794326678. The cubic root of 239242920 is about 620.7923618844.
The spelling of 239242920 in words is "two hundred thirty-nine million, two hundred forty-two thousand, nine hundred twenty".
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