Base | Representation |
---|---|
bin | 101010001110… |
… | …1101000000011 |
3 | 1112122220100110 |
4 | 1110131220003 |
5 | 21132011233 |
6 | 2110322403 |
7 | 356125212 |
oct | 124355003 |
9 | 45586313 |
10 | 22141443 |
11 | 11553215 |
12 | 74b9403 |
13 | 478305c |
14 | 2d25079 |
15 | 1e25663 |
hex | 151da03 |
22141443 has 4 divisors (see below), whose sum is σ = 29521928. Its totient is φ = 14760960.
The previous prime is 22141397. The next prime is 22141451. The reversal of 22141443 is 34414122.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 22141443 - 29 = 22140931 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22141453) 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, 3690238 + ... + 3690243.
It is an arithmetic number, because the mean of its divisors is an integer number (7380482).
Almost surely, 222141443 is an apocalyptic number.
22141443 is a deficient number, since it is larger than the sum of its proper divisors (7380485).
22141443 is an equidigital number, since it uses as much as digits as its factorization.
22141443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7380484.
The product of its digits is 768, while the sum is 21.
The square root of 22141443 is about 4705.4694771085. The cubic root of 22141443 is about 280.8031489854.
Adding to 22141443 its reverse (34414122), we get a palindrome (56555565).
The spelling of 22141443 in words is "twenty-two million, one hundred forty-one thousand, four hundred forty-three".
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