Search a number
-
+
13444069 is a prime number
BaseRepresentation
bin110011010010…
…001111100101
3221022000210111
4303102033211
511420202234
61200053021
7222162352
oct63221745
927260714
1013444069
117652801
124604171
132a29392
141add629
1512a8664
hexcd23e5

13444069 has 2 divisors, whose sum is σ = 13444070. Its totient is φ = 13444068.

The previous prime is 13444043. The next prime is 13444087. The reversal of 13444069 is 96044431.

13444069 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7128900 + 6315169 = 2670^2 + 2513^2 .

It is a cyclic number.

It is not a de Polignac number, because 13444069 - 29 = 13443557 is a prime.

It is a super-2 number, since 2×134440692 = 361485982553522, which contains 22 as substring.

It is equal to p876262 and since 13444069 and 876262 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13444069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13444099) 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 as a sum of consecutive naturals, namely, 6722034 + 6722035.

It is an arithmetic number, because the mean of its divisors is an integer number (6722035).

Almost surely, 213444069 is an apocalyptic number.

It is an amenable number.

13444069 is a deficient number, since it is larger than the sum of its proper divisors (1).

13444069 is an equidigital number, since it uses as much as digits as its factorization.

13444069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 13444069 is about 3666.6154693395. The cubic root of 13444069 is about 237.7808695570.

The spelling of 13444069 in words is "thirteen million, four hundred forty-four thousand, sixty-nine".