Search a number
-
+
12431241 = 324159571
BaseRepresentation
bin101111011010…
…111110001001
3212101120110100
4233122332021
511140244431
61122240013
7210443454
oct57327611
925346410
1012431241
117020859
1241b6009
132763384
14191849b
1511584e6
hexbdaf89

12431241 has 24 divisors (see below), whose sum is σ = 18738720. Its totient is φ = 7934400.

The previous prime is 12431239. The next prime is 12431281. The reversal of 12431241 is 14213421.

It is not a de Polignac number, because 12431241 - 21 = 12431239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12431281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21486 + ... + 22056.

It is an arithmetic number, because the mean of its divisors is an integer number (780780).

Almost surely, 212431241 is an apocalyptic number.

It is an amenable number.

12431241 is a deficient number, since it is larger than the sum of its proper divisors (6307479).

12431241 is a wasteful number, since it uses less digits than its factorization.

12431241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 674 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 12431241 is about 3525.7965057558. The cubic root of 12431241 is about 231.6531243629.

Adding to 12431241 its reverse (14213421), we get a palindrome (26644662).

The spelling of 12431241 in words is "twelve million, four hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 3 9 41 59 123 177 369 531 571 1713 2419 5139 7257 21771 23411 33689 70233 101067 210699 303201 1381249 4143747 12431241