Search a number
-
+
2213323 = 7316189
BaseRepresentation
bin1000011100010111001011
311011110002221
420130113023
51031311243
6115234511
724545560
oct10342713
94143087
102213323
1112819a2
128a8a37
135c6578
14418867
152dabed
hex21c5cb

2213323 has 4 divisors (see below), whose sum is σ = 2529520. Its totient is φ = 1897128.

The previous prime is 2213317. The next prime is 2213327. The reversal of 2213323 is 3233122.

2213323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2213323 is a prime.

It is an Ulam number.

2213323 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2213297 and 2213306.

It is not an unprimeable number, because it can be changed into a prime (2213327) 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, 158088 + ... + 158101.

It is an arithmetic number, because the mean of its divisors is an integer number (632380).

22213323 is an apocalyptic number.

2213323 is a deficient number, since it is larger than the sum of its proper divisors (316197).

2213323 is an equidigital number, since it uses as much as digits as its factorization.

2213323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316196.

The product of its digits is 216, while the sum is 16.

The square root of 2213323 is about 1487.7241007660. The cubic root of 2213323 is about 130.3211586028.

Adding to 2213323 its reverse (3233122), we get a palindrome (5446445).

The spelling of 2213323 in words is "two million, two hundred thirteen thousand, three hundred twenty-three".

Divisors: 1 7 316189 2213323