Base | Representation |
---|---|
bin | 101011011100… |
… | …1100010001001 |
3 | 1120212100100020 |
4 | 1112321202021 |
5 | 21312430131 |
6 | 2132131053 |
7 | 364425054 |
oct | 126714211 |
9 | 46770306 |
10 | 22780041 |
11 | 11949a89 |
12 | 7766a89 |
13 | 494791b |
14 | 304da9b |
15 | 1eee996 |
hex | 15b9889 |
22780041 has 4 divisors (see below), whose sum is σ = 30373392. Its totient is φ = 15186692.
The previous prime is 22780039. The next prime is 22780061. The reversal of 22780041 is 14008722.
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 22780041 - 21 = 22780039 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 22779993 and 22780020.
It is not an unprimeable number, because it can be changed into a prime (22780001) 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, 3796671 + ... + 3796676.
It is an arithmetic number, because the mean of its divisors is an integer number (7593348).
Almost surely, 222780041 is an apocalyptic number.
It is an amenable number.
22780041 is a deficient number, since it is larger than the sum of its proper divisors (7593351).
22780041 is an equidigital number, since it uses as much as digits as its factorization.
22780041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7593350.
The product of its (nonzero) digits is 896, while the sum is 24.
The square root of 22780041 is about 4772.8441206476. The cubic root of 22780041 is about 283.4772213408.
Adding to 22780041 its reverse (14008722), we get a palindrome (36788763).
The spelling of 22780041 in words is "twenty-two million, seven hundred eighty thousand, forty-one".
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