Base | Representation |
---|---|
bin | 11110101101010101011001 |
3 | 120010222112111 |
4 | 132231111121 |
5 | 4030100014 |
6 | 444312321 |
7 | 125265262 |
oct | 36552531 |
9 | 16128474 |
10 | 8050009 |
11 | 45a9100 |
12 | 28426a1 |
13 | 188b126 |
14 | 10d7969 |
15 | a902c4 |
hex | 7ad559 |
8050009 has 6 divisors (see below), whose sum is σ = 8848490. Its totient is φ = 7318080.
The previous prime is 8050001. The next prime is 8050013. The reversal of 8050009 is 9000508.
It can be written as a sum of positive squares in only one way, i.e., 7683984 + 366025 = 2772^2 + 605^2 .
It is not a de Polignac number, because 8050009 - 23 = 8050001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8050001) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33144 + ... + 33385.
Almost surely, 28050009 is an apocalyptic number.
It is an amenable number.
8050009 is a deficient number, since it is larger than the sum of its proper divisors (798481).
8050009 is a wasteful number, since it uses less digits than its factorization.
8050009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66551 (or 66540 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 22.
The square root of 8050009 is about 2837.2537778634. The cubic root of 8050009 is about 200.4158763018.
The spelling of 8050009 in words is "eight million, fifty thousand, nine".
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