Search a number
-
+
13244789 is a prime number
BaseRepresentation
bin110010100001…
…100101110101
3220220220102202
4302201211311
511342313124
61151514245
7220402355
oct62414565
926826382
1013244789
117527008
124528985
13298976c
141a8ab65
1512695ae
hexca1975

13244789 has 2 divisors, whose sum is σ = 13244790. Its totient is φ = 13244788.

The previous prime is 13244783. The next prime is 13244797. The reversal of 13244789 is 98744231.

13244789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11662225 + 1582564 = 3415^2 + 1258^2 .

It is a cyclic number.

It is not a de Polignac number, because 13244789 - 24 = 13244773 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13244783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6622394 + 6622395.

It is an arithmetic number, because the mean of its divisors is an integer number (6622395).

Almost surely, 213244789 is an apocalyptic number.

It is an amenable number.

13244789 is a deficient number, since it is larger than the sum of its proper divisors (1).

13244789 is an equidigital number, since it uses as much as digits as its factorization.

13244789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 13244789 is about 3639.3390883511. The cubic root of 13244789 is about 236.6001494830.

The spelling of 13244789 in words is "thirteen million, two hundred forty-four thousand, seven hundred eighty-nine".