Base | Representation |
---|---|
bin | 100000000000… |
… | …010101110001 |
3 | 120210020220210 |
4 | 200000111301 |
5 | 4121440001 |
6 | 455454333 |
7 | 131212434 |
oct | 40002561 |
9 | 16706823 |
10 | 8390001 |
11 | 4810594 |
12 | 29873a9 |
13 | 1979ac9 |
14 | 118581b |
15 | b0add6 |
hex | 800571 |
8390001 has 24 divisors (see below), whose sum is σ = 12094464. Its totient is φ = 5171040.
The previous prime is 8389973. The next prime is 8390021. The reversal of 8390001 is 1000938.
It is not a de Polignac number, because 8390001 - 26 = 8389937 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 8390001.
It is not an unprimeable number, because it can be changed into a prime (8390021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66000 + ... + 66126.
It is an arithmetic number, because the mean of its divisors is an integer number (503936).
Almost surely, 28390001 is an apocalyptic number.
It is an amenable number.
8390001 is a deficient number, since it is larger than the sum of its proper divisors (3704463).
8390001 is a wasteful number, since it uses less digits than its factorization.
8390001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229 (or 210 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 8390001 is about 2896.5498442112. The cubic root of 8390001 is about 203.1985810268.
Adding to 8390001 its reverse (1000938), we get a palindrome (9390939).
The spelling of 8390001 in words is "eight million, three hundred ninety thousand, one".
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