Base | Representation |
---|---|
bin | 11110100011100000010001 |
3 | 120001221022020 |
4 | 132203200101 |
5 | 4022302440 |
6 | 443402053 |
7 | 125040012 |
oct | 36434021 |
9 | 16057266 |
10 | 8009745 |
11 | 4580927 |
12 | 2823329 |
13 | 18759c3 |
14 | 10c7009 |
15 | a833d0 |
hex | 7a3811 |
8009745 has 16 divisors (see below), whose sum is σ = 12852672. Its totient is φ = 4259520.
The previous prime is 8009707. The next prime is 8009747. The reversal of 8009745 is 5479008.
It is not a de Polignac number, because 8009745 - 29 = 8009233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (8009747) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7335 + ... + 8355.
It is an arithmetic number, because the mean of its divisors is an integer number (803292).
Almost surely, 28009745 is an apocalyptic number.
It is an amenable number.
8009745 is a deficient number, since it is larger than the sum of its proper divisors (4842927).
8009745 is a wasteful number, since it uses less digits than its factorization.
8009745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1552.
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 8009745 is about 2830.1492893485. The cubic root of 8009745 is about 200.0811753817.
The spelling of 8009745 in words is "eight million, nine thousand, seven hundred forty-five".
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