Base | Representation |
---|---|
bin | 11011100000110… |
… | …01011110000000 |
3 | 121002021101210022 |
4 | 31300121132000 |
5 | 433040303130 |
6 | 34522353012 |
7 | 5501456114 |
oct | 1560313600 |
9 | 532241708 |
10 | 230791040 |
11 | 1093037a7 |
12 | 6535b768 |
13 | 38a7835c |
14 | 22919744 |
15 | 153dc7e5 |
hex | dc19780 |
230791040 has 32 divisors (see below), whose sum is σ = 551736360. Its totient is φ = 92316160.
The previous prime is 230791037. The next prime is 230791049. The reversal of 230791040 is 40197032.
230791040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230791049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179666 + ... + 180945.
Almost surely, 2230791040 is an apocalyptic number.
230791040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230791040 is an abundant number, since it is smaller than the sum of its proper divisors (320945320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230791040 is an equidigital number, since it uses as much as digits as its factorization.
230791040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 360630 (or 360618 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 26.
The square root of 230791040 is about 15191.8083189593. The cubic root of 230791040 is about 613.3941758588.
The spelling of 230791040 in words is "two hundred thirty million, seven hundred ninety-one thousand, forty".
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