Base | Representation |
---|---|
bin | 101010000100… |
… | …0000100010111 |
3 | 1112111102020002 |
4 | 1110020010113 |
5 | 21121200033 |
6 | 2104401515 |
7 | 355306610 |
oct | 124100427 |
9 | 45442202 |
10 | 22053143 |
11 | 114a2942 |
12 | 747629b |
13 | 4751ac8 |
14 | 2d00c07 |
15 | 1e093e8 |
hex | 1508117 |
22053143 has 4 divisors (see below), whose sum is σ = 25203600. Its totient is φ = 18902688.
The previous prime is 22053089. The next prime is 22053149. The reversal of 22053143 is 34135022.
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: 34135022 = 2 ⋅17067511.
It is not a de Polignac number, because 22053143 - 28 = 22052887 is a prime.
It is a super-2 number, since 2×220531432 = 972682232356898, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22053149) 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, 1575218 + ... + 1575231.
It is an arithmetic number, because the mean of its divisors is an integer number (6300900).
Almost surely, 222053143 is an apocalyptic number.
22053143 is a deficient number, since it is larger than the sum of its proper divisors (3150457).
22053143 is an equidigital number, since it uses as much as digits as its factorization.
22053143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3150456.
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 22053143 is about 4696.0774056653. The cubic root of 22053143 is about 280.4293709987.
Adding to 22053143 its reverse (34135022), we get a palindrome (56188165).
The spelling of 22053143 in words is "twenty-two million, fifty-three thousand, one hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •