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12240029 = 67182687
BaseRepresentation
bin101110101100…
…010010011101
3212000212011102
4232230102131
511113140104
61114202445
7206016134
oct56542235
925025142
1012240029
116a0012a
124123425
1326c7329
1418a891b
15111ba1e
hexbac49d

12240029 has 4 divisors (see below), whose sum is σ = 12422784. Its totient is φ = 12057276.

The previous prime is 12240013. The next prime is 12240037. The reversal of 12240029 is 92004221.

12240029 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12240029 - 24 = 12240013 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 (12243029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91277 + ... + 91410.

It is an arithmetic number, because the mean of its divisors is an integer number (3105696).

Almost surely, 212240029 is an apocalyptic number.

It is an amenable number.

12240029 is a deficient number, since it is larger than the sum of its proper divisors (182755).

12240029 is an equidigital number, since it uses as much as digits as its factorization.

12240029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182754.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12240029 is about 3498.5752814539. The cubic root of 12240029 is about 230.4592525095.

The spelling of 12240029 in words is "twelve million, two hundred forty thousand, twenty-nine".

Divisors: 1 67 182687 12240029