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12441445 = 52488289
BaseRepresentation
bin101111011101…
…011101100101
3212102002110021
4233131131211
511141111240
61122355141
7210515302
oct57353545
925362407
1012441445
117028495
1241bbab1
132767c03
14191c0a9
15115b54a
hexbdd765

12441445 has 4 divisors (see below), whose sum is σ = 14929740. Its totient is φ = 9953152.

The previous prime is 12441439. The next prime is 12441479. The reversal of 12441445 is 54414421.

12441445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54414421 = 411327181.

It can be written as a sum of positive squares in 2 ways, for example, as 2819041 + 9622404 = 1679^2 + 3102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12441445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244140 + ... + 1244149.

It is an arithmetic number, because the mean of its divisors is an integer number (3732435).

Almost surely, 212441445 is an apocalyptic number.

It is an amenable number.

12441445 is a deficient number, since it is larger than the sum of its proper divisors (2488295).

12441445 is an equidigital number, since it uses as much as digits as its factorization.

12441445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488294.

The product of its digits is 2560, while the sum is 25.

The square root of 12441445 is about 3527.2432578432. The cubic root of 12441445 is about 231.7164900402.

Adding to 12441445 its reverse (54414421), we get a palindrome (66855866).

The spelling of 12441445 in words is "twelve million, four hundred forty-one thousand, four hundred forty-five".

Divisors: 1 5 2488289 12441445