Base | Representation |
---|---|
bin | 11011011101000… |
… | …10010101101111 |
3 | 121001100121102222 |
4 | 31232202111233 |
5 | 432424144322 |
6 | 34504105555 |
7 | 5464354400 |
oct | 1556422557 |
9 | 531317388 |
10 | 230303087 |
11 | 109000133 |
12 | 651652bb |
13 | 38937221 |
14 | 2282d9a7 |
15 | 15342e42 |
hex | dba256f |
230303087 has 6 divisors (see below), whose sum is σ = 267903648. Its totient is φ = 197402604.
The previous prime is 230303081. The next prime is 230303089. The reversal of 230303087 is 780303032.
It is not a de Polignac number, because 230303087 - 26 = 230303023 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230303081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2349983 + ... + 2350080.
It is an arithmetic number, because the mean of its divisors is an integer number (44650608).
Almost surely, 2230303087 is an apocalyptic number.
230303087 is a deficient number, since it is larger than the sum of its proper divisors (37600561).
230303087 is an equidigital number, since it uses as much as digits as its factorization.
230303087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4700077 (or 4700070 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 26.
The square root of 230303087 is about 15175.7400808000. The cubic root of 230303087 is about 612.9615785987.
Subtracting 230303087 from its reverse (780303032), we obtain a palindrome (549999945).
The spelling of 230303087 in words is "two hundred thirty million, three hundred three thousand, eighty-seven".
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