Base | Representation |
---|---|
bin | 101010110001… |
… | …1011000000101 |
3 | 1120012102020212 |
4 | 1111203120011 |
5 | 21220132031 |
6 | 2120405205 |
7 | 361425152 |
oct | 125433005 |
9 | 46172225 |
10 | 22427141 |
11 | 11728930 |
12 | 7616805 |
13 | 48530c9 |
14 | 2d9b229 |
15 | 1e8012b |
hex | 1563605 |
22427141 has 4 divisors (see below), whose sum is σ = 24465984. Its totient is φ = 20388300.
The previous prime is 22427137. The next prime is 22427161. The reversal of 22427141 is 14172422.
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 22427141 - 22 = 22427137 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22427161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019405 + ... + 1019426.
It is an arithmetic number, because the mean of its divisors is an integer number (6116496).
Almost surely, 222427141 is an apocalyptic number.
It is an amenable number.
22427141 is a deficient number, since it is larger than the sum of its proper divisors (2038843).
22427141 is a wasteful number, since it uses less digits than its factorization.
22427141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2038842.
The product of its digits is 896, while the sum is 23.
The square root of 22427141 is about 4735.7302499192. The cubic root of 22427141 is about 282.0057549586.
Adding to 22427141 its reverse (14172422), we get a palindrome (36599563).
The spelling of 22427141 in words is "twenty-two million, four hundred twenty-seven thousand, one hundred forty-one".
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