Base | Representation |
---|---|
bin | 11011011100010… |
… | …10011111100111 |
3 | 121001011122110111 |
4 | 31232022133213 |
5 | 432413033130 |
6 | 34502033451 |
7 | 5463466546 |
oct | 1556123747 |
9 | 531148414 |
10 | 230205415 |
11 | 108a43810 |
12 | 65118887 |
13 | 3890192b |
14 | 2280615d |
15 | 1532402a |
hex | db8a7e7 |
230205415 has 16 divisors (see below), whose sum is σ = 319088160. Its totient is φ = 157573120.
The previous prime is 230205401. The next prime is 230205419. The reversal of 230205415 is 514502032.
It is not a de Polignac number, because 230205415 - 211 = 230203367 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230205419) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122170 + ... + 124039.
It is an arithmetic number, because the mean of its divisors is an integer number (19943010).
Almost surely, 2230205415 is an apocalyptic number.
230205415 is a deficient number, since it is larger than the sum of its proper divisors (88882745).
230205415 is a wasteful number, since it uses less digits than its factorization.
230205415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 246242.
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 230205415 is about 15172.5217086679. The cubic root of 230205415 is about 612.8749136019.
Adding to 230205415 its reverse (514502032), we get a palindrome (744707447).
The spelling of 230205415 in words is "two hundred thirty million, two hundred five thousand, four hundred fifteen".
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