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12441443 = 72253907
BaseRepresentation
bin101111011101…
…011101100011
3212102002110012
4233131131203
511141111233
61122355135
7210515300
oct57353543
925362405
1012441443
117028493
1241bbaab
132767c01
14191c0a7
15115b548
hexbdd763

12441443 has 6 divisors (see below), whose sum is σ = 14472756. Its totient is φ = 10664052.

The previous prime is 12441439. The next prime is 12441479. The reversal of 12441443 is 34414421.

It is a happy number.

12441443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12441443 - 22 = 12441439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12446443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126905 + ... + 127002.

It is an arithmetic number, because the mean of its divisors is an integer number (2412126).

Almost surely, 212441443 is an apocalyptic number.

12441443 is a deficient number, since it is larger than the sum of its proper divisors (2031313).

12441443 is an equidigital number, since it uses as much as digits as its factorization.

12441443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253921 (or 253914 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 12441443 is about 3527.2429743356. The cubic root of 12441443 is about 231.7164776238.

Adding to 12441443 its reverse (34414421), we get a palindrome (46855864).

The spelling of 12441443 in words is "twelve million, four hundred forty-one thousand, four hundred forty-three".

Divisors: 1 7 49 253907 1777349 12441443