Base | Representation |
---|---|
bin | 101001111110… |
… | …0011110100101 |
3 | 1112102000002210 |
4 | 1103330132211 |
5 | 21113140134 |
6 | 2103354033 |
7 | 355021320 |
oct | 123743645 |
9 | 45360083 |
10 | 22005669 |
11 | 11470204 |
12 | 7452919 |
13 | 473630a |
14 | 2ccb7b7 |
15 | 1dea2e9 |
hex | 14fc7a5 |
22005669 has 16 divisors (see below), whose sum is σ = 34007040. Its totient is φ = 12396720.
The previous prime is 22005649. The next prime is 22005673. The reversal of 22005669 is 96650022.
It is not a de Polignac number, because 22005669 - 213 = 21997477 is a prime.
It is a super-2 number, since 2×220056692 = 968498936275122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22005649) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5889 + ... + 8870.
It is an arithmetic number, because the mean of its divisors is an integer number (2125440).
Almost surely, 222005669 is an apocalyptic number.
It is an amenable number.
22005669 is a deficient number, since it is larger than the sum of its proper divisors (12001371).
22005669 is a wasteful number, since it uses less digits than its factorization.
22005669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14840.
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 22005669 is about 4691.0200383286. The cubic root of 22005669 is about 280.2279988182.
The spelling of 22005669 in words is "twenty-two million, five thousand, six hundred sixty-nine".
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