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12484438 = 26242219
BaseRepresentation
bin101111100111…
…111101010110
3212111021102121
4233213331112
511144000223
61123330154
7211054531
oct57477526
925437377
1012484438
11705781a
12422095a
132781655
14192da18
15116915d
hexbe7f56

12484438 has 4 divisors (see below), whose sum is σ = 18726660. Its totient is φ = 6242218.

The previous prime is 12484421. The next prime is 12484441. The reversal of 12484438 is 83448421.

It is a happy number.

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

It is a super-2 number, since 2×124844382 = 311722384351688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3121108 + ... + 3121111.

It is an arithmetic number, because the mean of its divisors is an integer number (4681665).

Almost surely, 212484438 is an apocalyptic number.

12484438 is a deficient number, since it is larger than the sum of its proper divisors (6242222).

12484438 is an equidigital number, since it uses as much as digits as its factorization.

12484438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242221.

The product of its digits is 24576, while the sum is 34.

The square root of 12484438 is about 3533.3324213835. The cubic root of 12484438 is about 231.9830918118.

The spelling of 12484438 in words is "twelve million, four hundred eighty-four thousand, four hundred thirty-eight".

Divisors: 1 2 6242219 12484438