Base | Representation |
---|---|
bin | 11011011100010… |
… | …00001001000111 |
3 | 121001011011020202 |
4 | 31232020021013 |
5 | 432412231113 |
6 | 34501521115 |
7 | 5463426506 |
oct | 1556101107 |
9 | 531134222 |
10 | 230195783 |
11 | 108a37554 |
12 | 6511319b |
13 | 388ca42c |
14 | 2280283d |
15 | 15321258 |
hex | db88247 |
230195783 has 2 divisors, whose sum is σ = 230195784. Its totient is φ = 230195782.
The previous prime is 230195737. The next prime is 230195789. The reversal of 230195783 is 387591032.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 230195783 - 220 = 229147207 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230195789) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115097891 + 115097892.
It is an arithmetic number, because the mean of its divisors is an integer number (115097892).
Almost surely, 2230195783 is an apocalyptic number.
230195783 is a deficient number, since it is larger than the sum of its proper divisors (1).
230195783 is an equidigital number, since it uses as much as digits as its factorization.
230195783 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 45360, while the sum is 38.
The square root of 230195783 is about 15172.2042894235. The cubic root of 230195783 is about 612.8663657383.
The spelling of 230195783 in words is "two hundred thirty million, one hundred ninety-five thousand, seven hundred eighty-three".
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