Base | Representation |
---|---|
bin | 101010010110… |
… | …1001010100001 |
3 | 1112210010122201 |
4 | 1110231022201 |
5 | 21141030324 |
6 | 2111533201 |
7 | 356511604 |
oct | 124551241 |
9 | 45703581 |
10 | 22205089 |
11 | 11597015 |
12 | 752a201 |
13 | 47a600a |
14 | 2d4033b |
15 | 1e39444 |
hex | 152d2a1 |
22205089 has 4 divisors (see below), whose sum is σ = 22276800. Its totient is φ = 22133380.
The previous prime is 22205041. The next prime is 22205093. The reversal of 22205089 is 98050222.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 22205089 - 29 = 22204577 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22205789) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 35389 + ... + 36010.
It is an arithmetic number, because the mean of its divisors is an integer number (5569200).
Almost surely, 222205089 is an apocalyptic number.
It is an amenable number.
22205089 is a deficient number, since it is larger than the sum of its proper divisors (71711).
22205089 is an equidigital number, since it uses as much as digits as its factorization.
22205089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71710.
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 22205089 is about 4712.2276048595. The cubic root of 22205089 is about 281.0719495938.
The spelling of 22205089 in words is "twenty-two million, two hundred five thousand, eighty-nine".
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