Search a number
-
+
13106426 = 26553213
BaseRepresentation
bin110001111111…
…110011111010
3220122212122012
4301333303322
511323401201
61144525522
7216255104
oct61776372
926585565
1013106426
117442063
1244808a2
13293b7a8
141a52574
15123d5bb
hexc7fcfa

13106426 has 4 divisors (see below), whose sum is σ = 19659642. Its totient is φ = 6553212.

The previous prime is 13106417. The next prime is 13106453. The reversal of 13106426 is 62460131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62460131 = 147142461.

It can be written as a sum of positive squares in only one way, i.e., 11215801 + 1890625 = 3349^2 + 1375^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276605 + ... + 3276608.

Almost surely, 213106426 is an apocalyptic number.

13106426 is a deficient number, since it is larger than the sum of its proper divisors (6553216).

13106426 is an equidigital number, since it uses as much as digits as its factorization.

13106426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553215.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13106426 is about 3620.2798234391. The cubic root of 13106426 is about 235.7733748054.

Adding to 13106426 its reverse (62460131), we get a palindrome (75566557).

The spelling of 13106426 in words is "thirteen million, one hundred six thousand, four hundred twenty-six".

Divisors: 1 2 6553213 13106426