Base | Representation |
---|---|
bin | 101010001010… |
… | …1011110100001 |
3 | 1112121012120020 |
4 | 1110111132201 |
5 | 21124424230 |
6 | 2105504053 |
7 | 355626000 |
oct | 124253641 |
9 | 45535506 |
10 | 22108065 |
11 | 11530131 |
12 | 74a2029 |
13 | 4770ac5 |
14 | 2d16c37 |
15 | 1e1a810 |
hex | 15157a1 |
22108065 has 32 divisors (see below), whose sum is σ = 41260800. Its totient is φ = 10104192.
The previous prime is 22108003. The next prime is 22108081. The reversal of 22108065 is 56080122.
It is not a de Polignac number, because 22108065 - 28 = 22107809 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2997 + ... + 7293.
It is an arithmetic number, because the mean of its divisors is an integer number (1289400).
Almost surely, 222108065 is an apocalyptic number.
It is an amenable number.
22108065 is a deficient number, since it is larger than the sum of its proper divisors (19152735).
22108065 is an equidigital number, since it uses as much as digits as its factorization.
22108065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4326 (or 4312 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 22108065 is about 4701.9214157619. The cubic root of 22108065 is about 280.6619753925.
Adding to 22108065 its reverse (56080122), we get a palindrome (78188187).
The spelling of 22108065 in words is "twenty-two million, one hundred eight thousand, sixty-five".
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