Search a number
-
+
13241131 = 96713693
BaseRepresentation
bin110010100000…
…101100101011
3220220201102021
4302200230223
511342204011
61151445311
7220355611
oct62405453
926821367
1013241131
117524292
124526837
132987bb7
141a896b1
151268471
hexca0b2b

13241131 has 4 divisors (see below), whose sum is σ = 13255792. Its totient is φ = 13226472.

The previous prime is 13241101. The next prime is 13241159. The reversal of 13241131 is 13114231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13241131 - 25 = 13241099 is a prime.

It is a super-2 number, since 2×132411312 = 350655100318322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13241101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5880 + ... + 7813.

It is an arithmetic number, because the mean of its divisors is an integer number (3313948).

Almost surely, 213241131 is an apocalyptic number.

13241131 is a deficient number, since it is larger than the sum of its proper divisors (14661).

13241131 is an equidigital number, since it uses as much as digits as its factorization.

13241131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14660.

The product of its digits is 72, while the sum is 16.

The square root of 13241131 is about 3638.8364898687. The cubic root of 13241131 is about 236.5783657451.

Adding to 13241131 its reverse (13114231), we get a palindrome (26355362).

The spelling of 13241131 in words is "thirteen million, two hundred forty-one thousand, one hundred thirty-one".

Divisors: 1 967 13693 13241131