Base | Representation |
---|---|
bin | 11110110011001100011001 |
3 | 120012012110101 |
4 | 132303030121 |
5 | 4031332014 |
6 | 445015401 |
7 | 125425246 |
oct | 36631431 |
9 | 16165411 |
10 | 8074009 |
11 | 4615139 |
12 | 2854561 |
13 | 1899028 |
14 | 11025cd |
15 | a97474 |
hex | 7b3319 |
8074009 has 2 divisors, whose sum is σ = 8074010. Its totient is φ = 8074008.
The previous prime is 8073979. The next prime is 8074013. The reversal of 8074009 is 9004708.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7441984 + 632025 = 2728^2 + 795^2 .
It is a cyclic number.
It is not a de Polignac number, because 8074009 - 219 = 7549721 is a prime.
8074009 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (8074309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4037004 + 4037005.
It is an arithmetic number, because the mean of its divisors is an integer number (4037005).
Almost surely, 28074009 is an apocalyptic number.
It is an amenable number.
8074009 is a deficient number, since it is larger than the sum of its proper divisors (1).
8074009 is an equidigital number, since it uses as much as digits as its factorization.
8074009 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 8074009 is about 2841.4800720751. The cubic root of 8074009 is about 200.6148495300.
The spelling of 8074009 in words is "eight million, seventy-four thousand, nine".
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