Search a number
-
+
13214446 = 271138353
BaseRepresentation
bin110010011010…
…001011101110
3220212100210221
4302122023232
511340330241
61151121554
7220215040
oct62321356
926770727
1013214446
117506233
1245132ba
1329789cb
141a7da90
1512605d1
hexc9a2ee

13214446 has 16 divisors (see below), whose sum is σ = 22856544. Its totient is φ = 5612544.

The previous prime is 13214429. The next prime is 13214447. The reversal of 13214446 is 64441231.

It is a self number, because there is not a number n which added to its sum of digits gives 13214446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214447) 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 in 7 ways as a sum of consecutive naturals, for example, 2595 + ... + 5758.

It is an arithmetic number, because the mean of its divisors is an integer number (1428534).

Almost surely, 213214446 is an apocalyptic number.

13214446 is a deficient number, since it is larger than the sum of its proper divisors (9642098).

13214446 is a wasteful number, since it uses less digits than its factorization.

13214446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8475.

The product of its digits is 2304, while the sum is 25.

The square root of 13214446 is about 3635.1679466016. The cubic root of 13214446 is about 236.4193325177.

Adding to 13214446 its reverse (64441231), we get a palindrome (77655677).

The spelling of 13214446 in words is "thirteen million, two hundred fourteen thousand, four hundred forty-six".

Divisors: 1 2 7 14 113 226 791 1582 8353 16706 58471 116942 943889 1887778 6607223 13214446