Base | Representation |
---|---|
bin | 110110100100… |
… | …1111010101101 |
3 | 1222211202110112 |
4 | 1231021322231 |
5 | 24311124232 |
6 | 2501145405 |
7 | 465134444 |
oct | 155117255 |
9 | 58752415 |
10 | 28614317 |
11 | 151743a6 |
12 | 96bb265 |
13 | 5c0b364 |
14 | 3b2bd5b |
15 | 27a34b2 |
hex | 1b49ead |
28614317 has 2 divisors, whose sum is σ = 28614318. Its totient is φ = 28614316.
The previous prime is 28614263. The next prime is 28614319. The reversal of 28614317 is 71341682.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 18412681 + 10201636 = 4291^2 + 3194^2 .
It is a cyclic number.
It is not a de Polignac number, because 28614317 - 216 = 28548781 is a prime.
Together with 28614319, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28614319) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14307158 + 14307159.
It is an arithmetic number, because the mean of its divisors is an integer number (14307159).
Almost surely, 228614317 is an apocalyptic number.
It is an amenable number.
28614317 is a deficient number, since it is larger than the sum of its proper divisors (1).
28614317 is an equidigital number, since it uses as much as digits as its factorization.
28614317 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 8064, while the sum is 32.
The square root of 28614317 is about 5349.2351789765. The cubic root of 28614317 is about 305.8635991961.
Adding to 28614317 its reverse (71341682), we get a palindrome (99955999).
The spelling of 28614317 in words is "twenty-eight million, six hundred fourteen thousand, three hundred seventeen".
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