Base | Representation |
---|---|
bin | 11011011011110… |
… | …00001010110001 |
3 | 121001000211111102 |
4 | 31231320022301 |
5 | 432403132403 |
6 | 34500254145 |
7 | 5463034655 |
oct | 1555701261 |
9 | 531024442 |
10 | 230130353 |
11 | 1089a2382 |
12 | 650a1355 |
13 | 388a670b |
14 | 227c6a65 |
15 | 1530bb88 |
hex | db782b1 |
230130353 has 2 divisors, whose sum is σ = 230130354. Its totient is φ = 230130352.
The previous prime is 230130347. The next prime is 230130371. The reversal of 230130353 is 353031032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 154579489 + 75550864 = 12433^2 + 8692^2 .
It is a cyclic number.
It is not a de Polignac number, because 230130353 - 218 = 229868209 is a prime.
It is not a weakly prime, because it can be changed into another prime (230130323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115065176 + 115065177.
It is an arithmetic number, because the mean of its divisors is an integer number (115065177).
Almost surely, 2230130353 is an apocalyptic number.
It is an amenable number.
230130353 is a deficient number, since it is larger than the sum of its proper divisors (1).
230130353 is an equidigital number, since it uses as much as digits as its factorization.
230130353 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 810, while the sum is 20.
The square root of 230130353 is about 15170.0478904979. The cubic root of 230130353 is about 612.8082939444.
Adding to 230130353 its reverse (353031032), we get a palindrome (583161385).
The spelling of 230130353 in words is "two hundred thirty million, one hundred thirty thousand, three hundred fifty-three".
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