Base | Representation |
---|---|
bin | 101010000011… |
… | …1010110100111 |
3 | 1112111021012122 |
4 | 1110013112213 |
5 | 21121101330 |
6 | 2104340155 |
7 | 355265225 |
oct | 124072647 |
9 | 45437178 |
10 | 22050215 |
11 | 114a0720 |
12 | 747465b |
13 | 4750685 |
14 | 2cddb15 |
15 | 1e085e5 |
hex | 15075a7 |
22050215 has 16 divisors (see below), whose sum is σ = 30122496. Its totient is φ = 15338400.
The previous prime is 22050209. The next prime is 22050221. The reversal of 22050215 is 51205022.
It is an interprime number because it is at equal distance from previous prime (22050209) and next prime (22050221).
It is not a de Polignac number, because 22050215 - 216 = 21984679 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22050193 and 22050202.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 7451 + ... + 9980.
It is an arithmetic number, because the mean of its divisors is an integer number (1882656).
Almost surely, 222050215 is an apocalyptic number.
22050215 is a deficient number, since it is larger than the sum of its proper divisors (8072281).
22050215 is a wasteful number, since it uses less digits than its factorization.
22050215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17470.
The product of its (nonzero) digits is 200, while the sum is 17.
The square root of 22050215 is about 4695.7656457707. The cubic root of 22050215 is about 280.4169595624.
Adding to 22050215 its reverse (51205022), we get a palindrome (73255237).
The spelling of 22050215 in words is "twenty-two million, fifty thousand, two hundred fifteen".
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