Search a number
-
+
12442415 = 510632341
BaseRepresentation
bin101111011101…
…101100101111
3212102010210012
4233131230233
511141124130
61122403435
7210521156
oct57355457
925363705
1012442415
117029197
12420057b
13276849b
14191c59d
15115b995
hexbddb2f

12442415 has 8 divisors (see below), whose sum is σ = 14951328. Its totient is φ = 9940320.

The previous prime is 12442411. The next prime is 12442427. The reversal of 12442415 is 51424421.

12442415 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12442415 - 22 = 12442411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442411) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4145 + ... + 6485.

It is an arithmetic number, because the mean of its divisors is an integer number (1868916).

Almost surely, 212442415 is an apocalyptic number.

12442415 is a deficient number, since it is larger than the sum of its proper divisors (2508913).

12442415 is a wasteful number, since it uses less digits than its factorization.

12442415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409.

The product of its digits is 1280, while the sum is 23.

The square root of 12442415 is about 3527.3807563120. The cubic root of 12442415 is about 231.7225118261.

Adding to 12442415 its reverse (51424421), we get a palindrome (63866836).

The spelling of 12442415 in words is "twelve million, four hundred forty-two thousand, four hundred fifteen".

Divisors: 1 5 1063 2341 5315 11705 2488483 12442415