Search a number
-
+
13464431 is a prime number
BaseRepresentation
bin110011010111…
…001101101111
3221100001201122
4303113031233
511421330211
61200331155
7222305621
oct63271557
927301648
1013464431
117667032
124613abb
132a35726
141b06c11
1512ae6db
hexcd736f

13464431 has 2 divisors, whose sum is σ = 13464432. Its totient is φ = 13464430.

The previous prime is 13464403. The next prime is 13464433. The reversal of 13464431 is 13446431.

13464431 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13464431 is a prime.

It is a super-2 number, since 2×134644312 = 362581804307522, which contains 22 as substring.

Together with 13464433, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13464431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13464433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6732215 + 6732216.

It is an arithmetic number, because the mean of its divisors is an integer number (6732216).

Almost surely, 213464431 is an apocalyptic number.

13464431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13464431 is an equidigital number, since it uses as much as digits as its factorization.

13464431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 13464431 is about 3669.3910939010. The cubic root of 13464431 is about 237.9008543562.

The spelling of 13464431 in words is "thirteen million, four hundred sixty-four thousand, four hundred thirty-one".