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12243533 = 15181083
BaseRepresentation
bin101110101101…
…001001001101
3212001000222012
4232231021031
511113243113
61114231005
7206032301
oct56551115
925030865
1012243533
116a02825
124125465
1326c8ac3
1418a9d01
15111caa8
hexbad24d

12243533 has 4 divisors (see below), whose sum is σ = 12324768. Its totient is φ = 12162300.

The previous prime is 12243457. The next prime is 12243541. The reversal of 12243533 is 33534221.

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 12243533 - 222 = 8049229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12243499 and 12243508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243563) 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, 40391 + ... + 40692.

It is an arithmetic number, because the mean of its divisors is an integer number (3081192).

Almost surely, 212243533 is an apocalyptic number.

It is an amenable number.

12243533 is a deficient number, since it is larger than the sum of its proper divisors (81235).

12243533 is an equidigital number, since it uses as much as digits as its factorization.

12243533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81234.

The product of its digits is 2160, while the sum is 23.

The square root of 12243533 is about 3499.0760208947. The cubic root of 12243533 is about 230.4812418957.

Adding to 12243533 its reverse (33534221), we get a palindrome (45777754).

The spelling of 12243533 in words is "twelve million, two hundred forty-three thousand, five hundred thirty-three".

Divisors: 1 151 81083 12243533