Base | Representation |
---|---|
bin | 11011011011000… |
… | …01110010011111 |
3 | 121000212011202101 |
4 | 31231201302133 |
5 | 432342214222 |
6 | 34454305531 |
7 | 5462203504 |
oct | 1555416237 |
9 | 530764671 |
10 | 230038687 |
11 | 10893a51a |
12 | 650582a7 |
13 | 38873a88 |
14 | 227a14ab |
15 | 152de927 |
hex | db61c9f |
230038687 has 2 divisors, whose sum is σ = 230038688. Its totient is φ = 230038686.
The previous prime is 230038661. The next prime is 230038717. The reversal of 230038687 is 786830032.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230038687 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230038087) 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, 115019343 + 115019344.
It is an arithmetic number, because the mean of its divisors is an integer number (115019344).
Almost surely, 2230038687 is an apocalyptic number.
230038687 is a deficient number, since it is larger than the sum of its proper divisors (1).
230038687 is an equidigital number, since it uses as much as digits as its factorization.
230038687 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48384, while the sum is 37.
The square root of 230038687 is about 15167.0263070913. The cubic root of 230038687 is about 612.7269181149.
The spelling of 230038687 in words is "two hundred thirty million, thirty-eight thousand, six hundred eighty-seven".
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