Search a number
-
+
2243323 = 11291987
BaseRepresentation
bin1000100011101011111011
311012222021001
420203223323
51033241243
6120025431
725032205
oct10435373
94188231
102243323
1112a2495
12902277
13607114
14425775
152e4a4d
hex223afb

2243323 has 4 divisors (see below), whose sum is σ = 2246440. Its totient is φ = 2240208.

The previous prime is 2243317. The next prime is 2243333. The reversal of 2243323 is 3233422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3233422 = 21616711.

It is a cyclic number.

It is not a de Polignac number, because 2243323 - 29 = 2242811 is a prime.

It is a d-powerful number, because it can be written as 217 + 219 + 43 + 36 + 312 + 219 + 312 .

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 2243323.

It is not an unprimeable number, because it can be changed into a prime (2243333) 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, 136 + ... + 2122.

It is an arithmetic number, because the mean of its divisors is an integer number (561610).

22243323 is an apocalyptic number.

2243323 is a deficient number, since it is larger than the sum of its proper divisors (3117).

2243323 is a wasteful number, since it uses less digits than its factorization.

2243323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116.

The product of its digits is 864, while the sum is 19.

The square root of 2243323 is about 1497.7726796814. The cubic root of 2243323 is about 130.9073213525.

Adding to 2243323 its reverse (3233422), we get a palindrome (5476745).

Subtracting 2243323 from its reverse (3233422), we obtain a palindrome (990099).

The spelling of 2243323 in words is "two million, two hundred forty-three thousand, three hundred twenty-three".

Divisors: 1 1129 1987 2243323