Base | Representation |
---|---|
bin | 11011011101101… |
… | …01001010110011 |
3 | 121001111112020102 |
4 | 31232311022303 |
5 | 432434131321 |
6 | 34505503015 |
7 | 5465125265 |
oct | 1556651263 |
9 | 531445212 |
10 | 230380211 |
11 | 109053076 |
12 | 651a1a6b |
13 | 38963369 |
14 | 2284db35 |
15 | 1535ac0b |
hex | dbb52b3 |
230380211 has 4 divisors (see below), whose sum is σ = 230422800. Its totient is φ = 230337624.
The previous prime is 230380201. The next prime is 230380217. The reversal of 230380211 is 112083032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230380211 - 210 = 230379187 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230380217) 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 3 ways as a sum of consecutive naturals, for example, 11756 + ... + 24473.
It is an arithmetic number, because the mean of its divisors is an integer number (57605700).
Almost surely, 2230380211 is an apocalyptic number.
230380211 is a deficient number, since it is larger than the sum of its proper divisors (42589).
230380211 is an equidigital number, since it uses as much as digits as its factorization.
230380211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42588.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 230380211 is about 15178.2808973876. The cubic root of 230380211 is about 613.0299939107.
The spelling of 230380211 in words is "two hundred thirty million, three hundred eighty thousand, two hundred eleven".
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