Base | Representation |
---|---|
bin | 11011100100000… |
… | …00110011100010 |
3 | 121010001220101211 |
4 | 31302000303202 |
5 | 433142324211 |
6 | 34535420334 |
7 | 5505201121 |
oct | 1562006342 |
9 | 533056354 |
10 | 231214306 |
11 | 109572804 |
12 | 655246aa |
13 | 38b95bcb |
14 | 229c9ab8 |
15 | 15472e21 |
hex | dc80ce2 |
231214306 has 16 divisors (see below), whose sum is σ = 376853760. Its totient is φ = 105989040.
The previous prime is 231214289. The next prime is 231214307. The reversal of 231214306 is 603412132.
It is not an unprimeable number, because it can be changed into a prime (231214307) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96961 + ... + 99316.
It is an arithmetic number, because the mean of its divisors is an integer number (23553360).
Almost surely, 2231214306 is an apocalyptic number.
231214306 is a deficient number, since it is larger than the sum of its proper divisors (145639454).
231214306 is a wasteful number, since it uses less digits than its factorization.
231214306 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196329.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 231214306 is about 15205.7326689640. The cubic root of 231214306 is about 613.7689309370.
Adding to 231214306 its reverse (603412132), we get a palindrome (834626438).
The spelling of 231214306 in words is "two hundred thirty-one million, two hundred fourteen thousand, three hundred six".
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