Base | Representation |
---|---|
bin | 101010001111… |
… | …0010101010101 |
3 | 1112200001022210 |
4 | 1110132111111 |
5 | 21132104331 |
6 | 2110344033 |
7 | 356136522 |
oct | 124362525 |
9 | 45601283 |
10 | 22144341 |
11 | 1155540a |
12 | 74bb019 |
13 | 478447b |
14 | 2d26149 |
15 | 1e26446 |
hex | 151e555 |
22144341 has 4 divisors (see below), whose sum is σ = 29525792. Its totient is φ = 14762892.
The previous prime is 22144333. The next prime is 22144361. The reversal of 22144341 is 14344122.
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 not a de Polignac number, because 22144341 - 23 = 22144333 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22144361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3690721 + ... + 3690726.
It is an arithmetic number, because the mean of its divisors is an integer number (7381448).
Almost surely, 222144341 is an apocalyptic number.
It is an amenable number.
22144341 is a deficient number, since it is larger than the sum of its proper divisors (7381451).
22144341 is an equidigital number, since it uses as much as digits as its factorization.
22144341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7381450.
The product of its digits is 768, while the sum is 21.
The square root of 22144341 is about 4705.7774065504. Note that the first 3 decimals coincide. The cubic root of 22144341 is about 280.8153994972.
Adding to 22144341 its reverse (14344122), we get a palindrome (36488463).
It can be divided in two parts, 2214 and 4341, that added together give a triangular number (6555 = T114).
The spelling of 22144341 in words is "twenty-two million, one hundred forty-four thousand, three hundred forty-one".
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