Base | Representation |
---|---|
bin | 111000110111… |
… | …101001110101 |
3 | 1001001101221221 |
4 | 320313221311 |
5 | 12304024041 |
6 | 1251310341 |
7 | 240500422 |
oct | 70675165 |
9 | 31041857 |
10 | 14908021 |
11 | 8462687 |
12 | 4bab3b1 |
13 | 311c81b |
14 | 1da0d49 |
15 | 14972d1 |
hex | e37a75 |
14908021 has 2 divisors, whose sum is σ = 14908022. Its totient is φ = 14908020.
The previous prime is 14908007. The next prime is 14908037. The reversal of 14908021 is 12080941.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 14668900 + 239121 = 3830^2 + 489^2 .
It is a cyclic number.
It is not a de Polignac number, because 14908021 - 211 = 14905973 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14908121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7454010 + 7454011.
It is an arithmetic number, because the mean of its divisors is an integer number (7454011).
Almost surely, 214908021 is an apocalyptic number.
It is an amenable number.
14908021 is a deficient number, since it is larger than the sum of its proper divisors (1).
14908021 is an equidigital number, since it uses as much as digits as its factorization.
14908021 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 25.
The square root of 14908021 is about 3861.0906490265. The cubic root of 14908021 is about 246.1160852959.
Adding to 14908021 its reverse (12080941), we get a palindrome (26988962).
The spelling of 14908021 in words is "fourteen million, nine hundred eight thousand, twenty-one".
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