Base | Representation |
---|---|
bin | 101010110011… |
… | …1101111110001 |
3 | 1120020022210211 |
4 | 1111213233301 |
5 | 21221220131 |
6 | 2121024121 |
7 | 361531303 |
oct | 125475761 |
9 | 46208724 |
10 | 22445041 |
11 | 11740323 |
12 | 7625041 |
13 | 485b2b8 |
14 | 2da3973 |
15 | 1e855b1 |
hex | 1567bf1 |
22445041 has 4 divisors (see below), whose sum is σ = 22468212. Its totient is φ = 22421872.
The previous prime is 22445021. The next prime is 22445047. The reversal of 22445041 is 14054422.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14054422 = 2 ⋅7027211.
It can be written as a sum of positive squares in 2 ways, for example, as 7398400 + 15046641 = 2720^2 + 3879^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22445041 is a prime.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22445047) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10066 + ... + 12091.
It is an arithmetic number, because the mean of its divisors is an integer number (5617053).
Almost surely, 222445041 is an apocalyptic number.
It is an amenable number.
22445041 is a deficient number, since it is larger than the sum of its proper divisors (23171).
22445041 is a wasteful number, since it uses less digits than its factorization.
22445041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23170.
The product of its (nonzero) digits is 1280, while the sum is 22.
The square root of 22445041 is about 4737.6197610192. The cubic root of 22445041 is about 282.0807617050.
Adding to 22445041 its reverse (14054422), we get a palindrome (36499463).
The spelling of 22445041 in words is "twenty-two million, four hundred forty-five thousand, forty-one".
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