Base | Representation |
---|---|
bin | 11011011011010… |
… | …01001111000001 |
3 | 121000220201120221 |
4 | 31231221033001 |
5 | 432344203220 |
6 | 34455103041 |
7 | 5462361433 |
oct | 1555511701 |
9 | 530821527 |
10 | 230069185 |
11 | 108960425 |
12 | 65071a81 |
13 | 38884918 |
14 | 227ac653 |
15 | 152e89aa |
hex | db693c1 |
230069185 has 8 divisors (see below), whose sum is σ = 276270120. Its totient is φ = 183930624.
The previous prime is 230069171. The next prime is 230069239. The reversal of 230069185 is 581960032.
It can be written as a sum of positive squares in 4 ways, for example, as 23658496 + 206410689 = 4864^2 + 14367^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230069185 - 27 = 230069057 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 230069185.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7050 + ... + 22579.
It is an arithmetic number, because the mean of its divisors is an integer number (34533765).
Almost surely, 2230069185 is an apocalyptic number.
It is an amenable number.
230069185 is a deficient number, since it is larger than the sum of its proper divisors (46200935).
230069185 is a wasteful number, since it uses less digits than its factorization.
230069185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31187.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 230069185 is about 15168.0316785007. The cubic root of 230069185 is about 612.7539948934.
The spelling of 230069185 in words is "two hundred thirty million, sixty-nine thousand, one hundred eighty-five".
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