Base | Representation |
---|---|
bin | 11011011110011… |
… | …01101010001000 |
3 | 121001200121211120 |
4 | 31233031222020 |
5 | 433000334040 |
6 | 34511555240 |
7 | 5466023604 |
oct | 1557155210 |
9 | 531617746 |
10 | 230480520 |
11 | 109111476 |
12 | 6522bb20 |
13 | 38999c0a |
14 | 22878504 |
15 | 1537a7d0 |
hex | dbcda88 |
230480520 has 32 divisors (see below), whose sum is σ = 691441920. Its totient is φ = 61461440.
The previous prime is 230480519. The next prime is 230480521. The reversal of 230480520 is 25084032.
It is an interprime number because it is at equal distance from previous prime (230480519) and next prime (230480521).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (230480521) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960216 + ... + 960455.
It is an arithmetic number, because the mean of its divisors is an integer number (21607560).
Almost surely, 2230480520 is an apocalyptic number.
230480520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230480520 is an abundant number, since it is smaller than the sum of its proper divisors (460961400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230480520 is a wasteful number, since it uses less digits than its factorization.
230480520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1920685 (or 1920681 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 230480520 is about 15181.5848975000. The cubic root of 230480520 is about 613.1189533788.
The spelling of 230480520 in words is "two hundred thirty million, four hundred eighty thousand, five hundred twenty".
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