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12442382 = 26221191
BaseRepresentation
bin101111011101…
…101100001110
3212102010201222
4233131230032
511141124012
61122403342
7210521111
oct57355416
925363658
1012442382
117029167
124200552
132768474
14191c578
15115b972
hexbddb0e

12442382 has 4 divisors (see below), whose sum is σ = 18663576. Its totient is φ = 6221190.

The previous prime is 12442373. The next prime is 12442387. The reversal of 12442382 is 28324421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110594 + ... + 3110597.

It is an arithmetic number, because the mean of its divisors is an integer number (4665894).

Almost surely, 212442382 is an apocalyptic number.

12442382 is a deficient number, since it is larger than the sum of its proper divisors (6221194).

12442382 is an equidigital number, since it uses as much as digits as its factorization.

12442382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221193.

The product of its digits is 3072, while the sum is 26.

The square root of 12442382 is about 3527.3760786171. The cubic root of 12442382 is about 231.7223069664.

The spelling of 12442382 in words is "twelve million, four hundred forty-two thousand, three hundred eighty-two".

Divisors: 1 2 6221191 12442382