Base | Representation |
---|---|
bin | 10010110010011… |
… | …110100011010110 |
3 | 210222010221121102 |
4 | 102302132203112 |
5 | 1121144102410 |
6 | 51140150102 |
7 | 10545226151 |
oct | 2262364326 |
9 | 728127542 |
10 | 315222230 |
11 | 151a31144 |
12 | 89698332 |
13 | 503ca63b |
14 | 2dc16c98 |
15 | 1ca192a5 |
hex | 12c9e8d6 |
315222230 has 16 divisors (see below), whose sum is σ = 572910624. Its totient is φ = 124864320.
The previous prime is 315222221. The next prime is 315222241. The reversal of 315222230 is 32222513.
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, 151991 + ... + 154050.
It is an arithmetic number, because the mean of its divisors is an integer number (35806914).
Almost surely, 2315222230 is an apocalyptic number.
315222230 is a deficient number, since it is larger than the sum of its proper divisors (257688394).
315222230 is a wasteful number, since it uses less digits than its factorization.
315222230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 306151.
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 315222230 is about 17754.4988664845. The cubic root of 315222230 is about 680.5691817482.
Adding to 315222230 its reverse (32222513), we get a palindrome (347444743).
The spelling of 315222230 in words is "three hundred fifteen million, two hundred twenty-two thousand, two hundred thirty".
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