Search a number
-
+
12404241 = 321378249
BaseRepresentation
bin101111010100…
…011000010001
3212100012102100
4233110120101
511133413431
61121511013
7210301653
oct57243021
925305370
1012404241
117002543
1241a2469
132753cb5
14190c6d3
1511504e6
hexbd4611

12404241 has 6 divisors (see below), whose sum is σ = 17917250. Its totient is φ = 8269488.

The previous prime is 12404201. The next prime is 12404269. The reversal of 12404241 is 14240421.

12404241 is a `hidden beast` number, since 1 + 240 + 424 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8242641 + 4161600 = 2871^2 + 2040^2 .

It is not a de Polignac number, because 12404241 - 213 = 12396049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12404201) 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 5 ways as a sum of consecutive naturals, for example, 689116 + ... + 689133.

Almost surely, 212404241 is an apocalyptic number.

It is an amenable number.

12404241 is a deficient number, since it is larger than the sum of its proper divisors (5513009).

12404241 is a wasteful number, since it uses less digits than its factorization.

12404241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378255 (or 1378252 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 12404241 is about 3521.9655023864. The cubic root of 12404241 is about 231.4852900045.

Adding to 12404241 its reverse (14240421), we get a palindrome (26644662).

The spelling of 12404241 in words is "twelve million, four hundred four thousand, two hundred forty-one".

Divisors: 1 3 9 1378249 4134747 12404241