Base | Representation |
---|---|
bin | 101010010001… |
… | …0001010000101 |
3 | 1112200211210221 |
4 | 1110202022011 |
5 | 21133110010 |
6 | 2110544341 |
7 | 356233300 |
oct | 124421205 |
9 | 45624727 |
10 | 22160005 |
11 | 1156615a |
12 | 75080b1 |
13 | 478b63a |
14 | 2d2bb37 |
15 | 1e2adda |
hex | 1522285 |
22160005 has 24 divisors (see below), whose sum is σ = 31190400. Its totient is φ = 15069600.
The previous prime is 22159981. The next prime is 22160041. The reversal of 22160005 is 50006122.
It is a happy number.
It is not a de Polignac number, because 22160005 - 27 = 22159877 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36696 + ... + 37294.
It is an arithmetic number, because the mean of its divisors is an integer number (1299600).
Almost surely, 222160005 is an apocalyptic number.
It is an amenable number.
22160005 is a deficient number, since it is larger than the sum of its proper divisors (9030395).
22160005 is a wasteful number, since it uses less digits than its factorization.
22160005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 769 (or 762 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 22160005 is about 4707.4414494500. The cubic root of 22160005 is about 280.8815963293.
Adding to 22160005 its reverse (50006122), we get a palindrome (72166127).
The spelling of 22160005 in words is "twenty-two million, one hundred sixty thousand, five".
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