Base | Representation |
---|---|
bin | 101010001011… |
… | …0011100110111 |
3 | 1112121102001000 |
4 | 1110112130313 |
5 | 21130041210 |
6 | 2105534343 |
7 | 355643430 |
oct | 124263467 |
9 | 45542030 |
10 | 22112055 |
11 | 11533129 |
12 | 74a43b3 |
13 | 4772874 |
14 | 2d18487 |
15 | 1e1bac0 |
hex | 1516737 |
22112055 has 32 divisors (see below), whose sum is σ = 44928000. Its totient is φ = 10107936.
The previous prime is 22112033. The next prime is 22112063. The reversal of 22112055 is 55021122.
It is not a de Polignac number, because 22112055 - 28 = 22111799 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10755 + ... + 12644.
It is an arithmetic number, because the mean of its divisors is an integer number (1404000).
Almost surely, 222112055 is an apocalyptic number.
22112055 is an abundant number, since it is smaller than the sum of its proper divisors (22815945).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22112055 is a wasteful number, since it uses less digits than its factorization.
22112055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23420 (or 23414 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 22112055 is about 4702.3456912481. The cubic root of 22112055 is about 280.6788587323.
Adding to 22112055 its reverse (55021122), we get a palindrome (77133177).
It can be divided in two parts, 2211 and 2055, that multiplied together give a triangular number (4543605 = T3014).
The spelling of 22112055 in words is "twenty-two million, one hundred twelve thousand, fifty-five".
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