Base | Representation |
---|---|
bin | 100110010000… |
… | …0000100110011 |
3 | 1101201212100201 |
4 | 1030200010303 |
5 | 20113214243 |
6 | 1553500031 |
7 | 332313262 |
oct | 114400463 |
9 | 41655321 |
10 | 20054323 |
11 | 10358123 |
12 | 6871617 |
13 | 4202083 |
14 | 29405d9 |
15 | 1b6204d |
hex | 1320133 |
20054323 has 4 divisors (see below), whose sum is σ = 20076840. Its totient is φ = 20031808.
The previous prime is 20054317. The next prime is 20054327. The reversal of 20054323 is 32345002.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32345002 = 2 ⋅16172501.
It is a cyclic number.
It is not a de Polignac number, because 20054323 - 221 = 17957171 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20054323.
It is not an unprimeable number, because it can be changed into a prime (20054327) 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, 9865 + ... + 11722.
It is an arithmetic number, because the mean of its divisors is an integer number (5019210).
Almost surely, 220054323 is an apocalyptic number.
20054323 is a deficient number, since it is larger than the sum of its proper divisors (22517).
20054323 is an equidigital number, since it uses as much as digits as its factorization.
20054323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22516.
The product of its (nonzero) digits is 720, while the sum is 19.
The square root of 20054323 is about 4478.2053324965. The cubic root of 20054323 is about 271.6872983357.
Adding to 20054323 its reverse (32345002), we get a palindrome (52399325).
It can be divided in two parts, 2005 and 4323, that added together give a triangular number (6328 = T112).
The spelling of 20054323 in words is "twenty million, fifty-four thousand, three hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •