Base | Representation |
---|---|
bin | 101111011111… |
… | …101011101011 |
3 | 212102112221002 |
4 | 233133223223 |
5 | 11141404124 |
6 | 1122505215 |
7 | 210553643 |
oct | 57375353 |
9 | 25375832 |
10 | 12450539 |
11 | 7034302 |
12 | 420520b |
13 | 276c0aa |
14 | 1921523 |
15 | 115e0ae |
hex | bdfaeb |
12450539 has 2 divisors, whose sum is σ = 12450540. Its totient is φ = 12450538.
The previous prime is 12450523. The next prime is 12450547. The reversal of 12450539 is 93505421.
It is a strong prime.
It is an emirp because it is prime and its reverse (93505421) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12450539 - 24 = 12450523 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12450509) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225269 + 6225270.
It is an arithmetic number, because the mean of its divisors is an integer number (6225270).
Almost surely, 212450539 is an apocalyptic number.
12450539 is a deficient number, since it is larger than the sum of its proper divisors (1).
12450539 is an equidigital number, since it uses as much as digits as its factorization.
12450539 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5400, while the sum is 29.
The square root of 12450539 is about 3528.5321310709. The cubic root of 12450539 is about 231.7729335521.
The spelling of 12450539 in words is "twelve million, four hundred fifty thousand, five hundred thirty-nine".
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