Base | Representation |
---|---|
bin | 101010101100… |
… | …0110101110001 |
3 | 1120010020001111 |
4 | 1111120311301 |
5 | 21212241420 |
6 | 2115433321 |
7 | 361155301 |
oct | 125306561 |
9 | 46106044 |
10 | 22383985 |
11 | 116a9468 |
12 | 75b5841 |
13 | 4839580 |
14 | 2d89601 |
15 | 1e7245a |
hex | 1558d71 |
22383985 has 32 divisors (see below), whose sum is σ = 31352832. Its totient is φ = 15191040.
The previous prime is 22383979. The next prime is 22383989. The reversal of 22383985 is 58938322.
It is not a de Polignac number, because 22383985 - 217 = 22252913 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22383989) 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 in 31 ways as a sum of consecutive naturals, for example, 51720 + ... + 52150.
It is an arithmetic number, because the mean of its divisors is an integer number (979776).
Almost surely, 222383985 is an apocalyptic number.
It is an amenable number.
22383985 is a deficient number, since it is larger than the sum of its proper divisors (8968847).
22383985 is a wasteful number, since it uses less digits than its factorization.
22383985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 513.
The product of its digits is 103680, while the sum is 40.
The square root of 22383985 is about 4731.1716307908. The cubic root of 22383985 is about 281.8247532129.
The spelling of 22383985 in words is "twenty-two million, three hundred eighty-three thousand, nine hundred eighty-five".
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