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12441389 = 59433487
BaseRepresentation
bin101111011101…
…011100101101
3212102002101012
4233131130231
511141111024
61122355005
7210515162
oct57353455
925362335
1012441389
117028444
1241bba65
132767b8c
14191c069
15115b50e
hexbdd72d

12441389 has 8 divisors (see below), whose sum is σ = 12707520. Its totient is φ = 12177216.

The previous prime is 12441383. The next prime is 12441419. The reversal of 12441389 is 98314421.

It is a happy number.

12441389 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12441389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12441383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25304 + ... + 25790.

It is an arithmetic number, because the mean of its divisors is an integer number (1588440).

Almost surely, 212441389 is an apocalyptic number.

It is an amenable number.

12441389 is a deficient number, since it is larger than the sum of its proper divisors (266131).

12441389 is an equidigital number, since it uses as much as digits as its factorization.

12441389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979.

The product of its digits is 6912, while the sum is 32.

The square root of 12441389 is about 3527.2353196236. The cubic root of 12441389 is about 231.7161423811.

The spelling of 12441389 in words is "twelve million, four hundred forty-one thousand, three hundred eighty-nine".

Divisors: 1 59 433 487 25547 28733 210871 12441389