Base | Representation |
---|---|
bin | 11011100001110… |
… | …01111010010000 |
3 | 121002112011001210 |
4 | 31300321322100 |
5 | 433104031140 |
6 | 34525300120 |
7 | 5502551403 |
oct | 1560717220 |
9 | 532464053 |
10 | 230923920 |
11 | 109394617 |
12 | 65404640 |
13 | 38ac3996 |
14 | 22951d3a |
15 | 15416d80 |
hex | dc39e90 |
230923920 has 80 divisors (see below), whose sum is σ = 757987200. Its totient is φ = 57956352.
The previous prime is 230923909. The next prime is 230923943. The reversal of 230923920 is 29329032.
It is a happy number.
230923920 is digitally balanced in base 2, 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 (80).
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 24220 + ... + 32379.
It is an arithmetic number, because the mean of its divisors is an integer number (9474840).
Almost surely, 2230923920 is an apocalyptic number.
230923920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230923920 is an abundant number, since it is smaller than the sum of its proper divisors (527063280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230923920 is a wasteful number, since it uses less digits than its factorization.
230923920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56632 (or 56626 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 30.
The square root of 230923920 is about 15196.1810992104. The cubic root of 230923920 is about 613.5118756622.
The spelling of 230923920 in words is "two hundred thirty million, nine hundred twenty-three thousand, nine hundred twenty".
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