Base | Representation |
---|---|
bin | 11011011100011… |
… | …00001011011000 |
3 | 121001011222220221 |
4 | 31232030023120 |
5 | 432413243222 |
6 | 34502125424 |
7 | 5463525631 |
oct | 1556141330 |
9 | 531158827 |
10 | 230212312 |
11 | 108a48a10 |
12 | 65120874 |
13 | 38904b05 |
14 | 22808888 |
15 | 153260c7 |
hex | db8c2d8 |
230212312 has 32 divisors (see below), whose sum is σ = 471485520. Its totient is φ = 104509440.
The previous prime is 230212309. The next prime is 230212327. The reversal of 230212312 is 213212032.
230212312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
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, 113128 + ... + 115144.
Almost surely, 2230212312 is an apocalyptic number.
230212312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
230212312 is an abundant number, since it is smaller than the sum of its proper divisors (241273208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230212312 is a wasteful number, since it uses less digits than its factorization.
230212312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3331 (or 3327 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 230212312 is about 15172.7489928490. The cubic root of 230212312 is about 612.8810341589.
Adding to 230212312 its reverse (213212032), we get a palindrome (443424344).
The spelling of 230212312 in words is "two hundred thirty million, two hundred twelve thousand, three hundred twelve".
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