Base | Representation |
---|---|
bin | 11110110100001011110101 |
3 | 120012102000202 |
4 | 132310023311 |
5 | 4031444234 |
6 | 445050245 |
7 | 125443136 |
oct | 36641365 |
9 | 16172022 |
10 | 8078069 |
11 | 461819a |
12 | 2856985 |
13 | 189ab2c |
14 | 1103c8d |
15 | a9877e |
hex | 7b42f5 |
8078069 has 2 divisors, whose sum is σ = 8078070. Its totient is φ = 8078068.
The previous prime is 8078053. The next prime is 8078071. The reversal of 8078069 is 9608708.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8008900 + 69169 = 2830^2 + 263^2 .
It is a cyclic number.
It is not a de Polignac number, because 8078069 - 24 = 8078053 is a prime.
It is a super-2 number, since 2×80780692 = 130510397537522, which contains 22 as substring.
Together with 8078071, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8078029) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4039034 + 4039035.
It is an arithmetic number, because the mean of its divisors is an integer number (4039035).
Almost surely, 28078069 is an apocalyptic number.
It is an amenable number.
8078069 is a deficient number, since it is larger than the sum of its proper divisors (1).
8078069 is an equidigital number, since it uses as much as digits as its factorization.
8078069 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24192, while the sum is 38.
The square root of 8078069 is about 2842.1943986997. The cubic root of 8078069 is about 200.6484701598.
The spelling of 8078069 in words is "eight million, seventy-eight thousand, sixty-nine".
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