Base | Representation |
---|---|
bin | 11111011001010101000001 |
3 | 120111010201120 |
4 | 133121111001 |
5 | 4101331314 |
6 | 452222453 |
7 | 126645531 |
oct | 37312501 |
9 | 16433646 |
10 | 8230209 |
11 | 4711529 |
12 | 290aa29 |
13 | 1922160 |
14 | 11434c1 |
15 | ac88a9 |
hex | 7d9541 |
8230209 has 16 divisors (see below), whose sum is σ = 11875584. Its totient is φ = 5040000.
The previous prime is 8230199. The next prime is 8230223. The reversal of 8230209 is 9020328.
It is not a de Polignac number, because 8230209 - 27 = 8230081 is a prime.
It is an Ulam number.
8230209 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (8230279) 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, 10584 + ... + 11334.
It is an arithmetic number, because the mean of its divisors is an integer number (742224).
Almost surely, 28230209 is an apocalyptic number.
It is an amenable number.
8230209 is a deficient number, since it is larger than the sum of its proper divisors (3645375).
8230209 is a wasteful number, since it uses less digits than its factorization.
8230209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1048.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 8230209 is about 2868.8340837351. The cubic root of 8230209 is about 201.9002955328.
The spelling of 8230209 in words is "eight million, two hundred thirty thousand, two hundred nine".
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