Base | Representation |
---|---|
bin | 11110011011000001100101 |
3 | 120000011122212 |
4 | 132123001211 |
5 | 4020200023 |
6 | 442533205 |
7 | 124533524 |
oct | 36330145 |
9 | 16004585 |
10 | 7975013 |
11 | 4557822 |
12 | 2807205 |
13 | 1862c57 |
14 | 10b84bb |
15 | a77e78 |
hex | 79b065 |
7975013 has 2 divisors, whose sum is σ = 7975014. Its totient is φ = 7975012.
The previous prime is 7974991. The next prime is 7975021. The reversal of 7975013 is 3105797.
7975013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7606564 + 368449 = 2758^2 + 607^2 .
It is a cyclic number.
It is not a de Polignac number, because 7975013 - 212 = 7970917 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7975063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3987506 + 3987507.
It is an arithmetic number, because the mean of its divisors is an integer number (3987507).
Almost surely, 27975013 is an apocalyptic number.
It is an amenable number.
7975013 is a deficient number, since it is larger than the sum of its proper divisors (1).
7975013 is an equidigital number, since it uses as much as digits as its factorization.
7975013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6615, while the sum is 32.
The square root of 7975013 is about 2824.0065509839. The cubic root of 7975013 is about 199.7915578348.
The spelling of 7975013 in words is "seven million, nine hundred seventy-five thousand, thirteen".
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