Base | Representation |
---|---|
bin | 11011100010011… |
… | …00001011000000 |
3 | 121002122221200011 |
4 | 31301030023000 |
5 | 433113424340 |
6 | 34531034304 |
7 | 5503312441 |
oct | 1561141300 |
9 | 532587604 |
10 | 230998720 |
11 | 109435837 |
12 | 6543b994 |
13 | 38b1ba44 |
14 | 229712c8 |
15 | 1542e0ea |
hex | dc4c2c0 |
230998720 has 56 divisors (see below), whose sum is σ = 582436224. Its totient is φ = 86962176.
The previous prime is 230998697. The next prime is 230998739. The reversal of 230998720 is 27899032.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15792 + ... + 26671.
Almost surely, 2230998720 is an apocalyptic number.
230998720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230998720 is an abundant number, since it is smaller than the sum of its proper divisors (351437504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230998720 is a wasteful number, since it uses less digits than its factorization.
230998720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42497 (or 42487 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 40.
The square root of 230998720 is about 15198.6420446039. The cubic root of 230998720 is about 613.5781106576.
The spelling of 230998720 in words is "two hundred thirty million, nine hundred ninety-eight thousand, seven hundred twenty".
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