Base | Representation |
---|---|
bin | 11011011100011… |
… | …00111001101101 |
3 | 121001012010222202 |
4 | 31232030321231 |
5 | 432413342102 |
6 | 34502151245 |
7 | 5463540365 |
oct | 1556147155 |
9 | 531163882 |
10 | 230215277 |
11 | 108a50166 |
12 | 65122525 |
13 | 38906276 |
14 | 228099a5 |
15 | 15326e02 |
hex | db8ce6d |
230215277 has 2 divisors, whose sum is σ = 230215278. Its totient is φ = 230215276.
The previous prime is 230215273. The next prime is 230215291. The reversal of 230215277 is 772512032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 177129481 + 53085796 = 13309^2 + 7286^2 .
It is a cyclic number.
It is not a de Polignac number, because 230215277 - 22 = 230215273 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230215273) 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 as a sum of consecutive naturals, namely, 115107638 + 115107639.
It is an arithmetic number, because the mean of its divisors is an integer number (115107639).
Almost surely, 2230215277 is an apocalyptic number.
It is an amenable number.
230215277 is a deficient number, since it is larger than the sum of its proper divisors (1).
230215277 is an equidigital number, since it uses as much as digits as its factorization.
230215277 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5880, while the sum is 29.
The square root of 230215277 is about 15172.8467006030. The cubic root of 230215277 is about 612.8836653307.
The spelling of 230215277 in words is "two hundred thirty million, two hundred fifteen thousand, two hundred seventy-seven".
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