Base | Representation |
---|---|
bin | 11011011111110… |
… | …11101110000001 |
3 | 121002001012122011 |
4 | 31233323232001 |
5 | 433022403220 |
6 | 34520012521 |
7 | 5500440625 |
oct | 1557735601 |
9 | 532035564 |
10 | 230669185 |
11 | 10923019a |
12 | 65301141 |
13 | 38a34a56 |
14 | 228c7185 |
15 | 153b665a |
hex | dbfbb81 |
230669185 has 16 divisors (see below), whose sum is σ = 294990336. Its totient is φ = 172752448.
The previous prime is 230669167. The next prime is 230669191. The reversal of 230669185 is 581966032.
It is not a de Polignac number, because 230669185 - 213 = 230660993 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15934 + ... + 26743.
It is an arithmetic number, because the mean of its divisors is an integer number (18436896).
Almost surely, 2230669185 is an apocalyptic number.
It is an amenable number.
230669185 is a deficient number, since it is larger than the sum of its proper divisors (64321151).
230669185 is a wasteful number, since it uses less digits than its factorization.
230669185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42752.
The product of its (nonzero) digits is 77760, while the sum is 40.
The square root of 230669185 is about 15187.7972398897. The cubic root of 230669185 is about 613.2862018433.
The spelling of 230669185 in words is "two hundred thirty million, six hundred sixty-nine thousand, one hundred eighty-five".
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