Base | Representation |
---|---|
bin | 11110100000000000010101 |
3 | 120001012122102 |
4 | 132200000111 |
5 | 4021323123 |
6 | 443211445 |
7 | 124650146 |
oct | 36400025 |
9 | 16035572 |
10 | 7995413 |
11 | 4571088 |
12 | 2816b85 |
13 | 186c31a |
14 | 10c1acd |
15 | a7e028 |
hex | 7a0015 |
7995413 has 2 divisors, whose sum is σ = 7995414. Its totient is φ = 7995412.
The previous prime is 7995397. The next prime is 7995431. The reversal of 7995413 is 3145997.
It is a happy number.
7995413 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
Together with next prime (7995431) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7941124 + 54289 = 2818^2 + 233^2 .
It is an emirp because it is prime and its reverse (3145997) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 7995413 - 24 = 7995397 is a prime.
It is a super-3 number, since 3×79954133 (a number of 22 digits) contains 333 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7995443) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3997706 + 3997707.
It is an arithmetic number, because the mean of its divisors is an integer number (3997707).
Almost surely, 27995413 is an apocalyptic number.
It is an amenable number.
7995413 is a deficient number, since it is larger than the sum of its proper divisors (1).
7995413 is an equidigital number, since it uses as much as digits as its factorization.
7995413 is an evil number, because the sum of its binary digits is even.
The product of its digits is 34020, while the sum is 38.
The square root of 7995413 is about 2827.6161337777. The cubic root of 7995413 is about 199.9617676919.
The spelling of 7995413 in words is "seven million, nine hundred ninety-five thousand, four hundred thirteen".
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