Base | Representation |
---|---|
bin | 111001110100… |
… | …1101011100110 |
3 | 2010001021111110 |
4 | 1303221223212 |
5 | 30230123121 |
6 | 3001445450 |
7 | 515456406 |
oct | 163515346 |
9 | 63037443 |
10 | 30317286 |
11 | 1612790a |
12 | a1a0886 |
13 | 638652c |
14 | 4052806 |
15 | 29dcd76 |
hex | 1ce9ae6 |
30317286 has 32 divisors (see below), whose sum is σ = 62487936. Its totient is φ = 9800000.
The previous prime is 30317269. The next prime is 30317317. The reversal of 30317286 is 68271303.
It is a Curzon number.
It is a congruent 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, 61501 + ... + 61991.
It is an arithmetic number, because the mean of its divisors is an integer number (1952748).
Almost surely, 230317286 is an apocalyptic number.
30317286 is an abundant number, since it is smaller than the sum of its proper divisors (32170650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30317286 is a wasteful number, since it uses less digits than its factorization.
30317286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 788.
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 30317286 is about 5506.1135113617. The cubic root of 30317286 is about 311.8148350681.
Adding to 30317286 its reverse (68271303), we get a palindrome (98588589).
It can be divided in two parts, 30317 and 286, that added together give a palindrome (30603).
The spelling of 30317286 in words is "thirty million, three hundred seventeen thousand, two hundred eighty-six".
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