Base | Representation |
---|---|
bin | 100110100100… |
… | …1010101101111 |
3 | 1102001110012201 |
4 | 1031021111233 |
5 | 20134121333 |
6 | 2001242331 |
7 | 333616120 |
oct | 115112557 |
9 | 42043181 |
10 | 20223343 |
11 | 10463108 |
12 | 69333a7 |
13 | 4260c9a |
14 | 2986047 |
15 | 1b9717d |
hex | 134956f |
20223343 has 4 divisors (see below), whose sum is σ = 23112400. Its totient is φ = 17334288.
The previous prime is 20223341. The next prime is 20223361. The reversal of 20223343 is 34332202.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20223343 - 21 = 20223341 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 20223343.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20223341) 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, 1444518 + ... + 1444531.
It is an arithmetic number, because the mean of its divisors is an integer number (5778100).
Almost surely, 220223343 is an apocalyptic number.
20223343 is a deficient number, since it is larger than the sum of its proper divisors (2889057).
20223343 is an equidigital number, since it uses as much as digits as its factorization.
20223343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2889056.
The product of its (nonzero) digits is 864, while the sum is 19.
The square root of 20223343 is about 4497.0371357150. The cubic root of 20223343 is about 272.4484339763.
Adding to 20223343 its reverse (34332202), we get a palindrome (54555545).
The spelling of 20223343 in words is "twenty million, two hundred twenty-three thousand, three hundred forty-three".
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