Base | Representation |
---|---|
bin | 101011001001… |
… | …0100000101101 |
3 | 1120120020002101 |
4 | 1112102200231 |
5 | 21242321310 |
6 | 2124455101 |
7 | 363161056 |
oct | 126224055 |
9 | 46506071 |
10 | 22620205 |
11 | 1184a993 |
12 | 76aa491 |
13 | 48bcc4a |
14 | 300b72d |
15 | 1ebc43a |
hex | 159282d |
22620205 has 8 divisors (see below), whose sum is σ = 27549792. Its totient is φ = 17825808.
The previous prime is 22620167. The next prime is 22620211. The reversal of 22620205 is 50202622.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22620205 - 27 = 22620077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33427 + ... + 34096.
It is an arithmetic number, because the mean of its divisors is an integer number (3443724).
Almost surely, 222620205 is an apocalyptic number.
It is an amenable number.
22620205 is a deficient number, since it is larger than the sum of its proper divisors (4929587).
22620205 is an equidigital number, since it uses as much as digits as its factorization.
22620205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67595.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 22620205 is about 4756.0703316919. The cubic root of 22620205 is about 282.8126592899.
Adding to 22620205 its reverse (50202622), we get a palindrome (72822827).
The spelling of 22620205 in words is "twenty-two million, six hundred twenty thousand, two hundred five".
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