Base | Representation |
---|---|
bin | 11111011101100001110101 |
3 | 120112000022202 |
4 | 133131201311 |
5 | 4102404123 |
6 | 452434245 |
7 | 130046636 |
oct | 37354165 |
9 | 16460282 |
10 | 8247413 |
11 | 4723449 |
12 | 2918985 |
13 | 1929c35 |
14 | 114988d |
15 | acda28 |
hex | 7dd875 |
8247413 has 2 divisors, whose sum is σ = 8247414. Its totient is φ = 8247412.
The previous prime is 8247391. The next prime is 8247427. The reversal of 8247413 is 3147428.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7828804 + 418609 = 2798^2 + 647^2 .
It is a cyclic number.
It is not a de Polignac number, because 8247413 - 210 = 8246389 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8247713) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4123706 + 4123707.
It is an arithmetic number, because the mean of its divisors is an integer number (4123707).
Almost surely, 28247413 is an apocalyptic number.
It is an amenable number.
8247413 is a deficient number, since it is larger than the sum of its proper divisors (1).
8247413 is an equidigital number, since it uses as much as digits as its factorization.
8247413 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 5376, while the sum is 29.
The square root of 8247413 is about 2871.8309490637. The cubic root of 8247413 is about 202.0408782414.
It can be divided in two parts, 82 and 47413, that multiplied together give a triangular number (3887866 = T2788).
The spelling of 8247413 in words is "eight million, two hundred forty-seven thousand, four hundred thirteen".
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