Base | Representation |
---|---|
bin | 11110011110101100101111 |
3 | 120000221022021 |
4 | 132132230233 |
5 | 4021140223 |
6 | 443131011 |
7 | 124625434 |
oct | 36365457 |
9 | 16027267 |
10 | 7990063 |
11 | 4568064 |
12 | 2813a67 |
13 | 1869a63 |
14 | 10bdb8b |
15 | a7c65d |
hex | 79eb2f |
7990063 has 2 divisors, whose sum is σ = 7990064. Its totient is φ = 7990062.
The previous prime is 7990057. The next prime is 7990067. The reversal of 7990063 is 3600997.
It is a strong prime.
It is an emirp because it is prime and its reverse (3600997) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 7990063 - 213 = 7981871 is a prime.
It is a super-2 number, since 2×79900632 = 127682213487938, which contains 22 as substring.
7990063 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7990067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3995031 + 3995032.
It is an arithmetic number, because the mean of its divisors is an integer number (3995032).
Almost surely, 27990063 is an apocalyptic number.
7990063 is a deficient number, since it is larger than the sum of its proper divisors (1).
7990063 is an equidigital number, since it uses as much as digits as its factorization.
7990063 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10206, while the sum is 34.
The square root of 7990063 is about 2826.6699488975. The cubic root of 7990063 is about 199.9171573569.
The spelling of 7990063 in words is "seven million, nine hundred ninety thousand, sixty-three".
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