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12231033 = 34077011
BaseRepresentation
bin101110101010…
…000101111001
3212000101211020
4232222011321
511112343113
61114053053
7205650663
oct56520571
925011736
1012231033
1169a43a1
12411a189
1326c31c9
1418a5533
151119023
hexbaa179

12231033 has 4 divisors (see below), whose sum is σ = 16308048. Its totient is φ = 8154020.

The previous prime is 12231001. The next prime is 12231059. The reversal of 12231033 is 33013221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33013221 = 311004407.

It is a cyclic number.

It is not a de Polignac number, because 12231033 - 25 = 12231001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12231073) 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, 2038503 + ... + 2038508.

It is an arithmetic number, because the mean of its divisors is an integer number (4077012).

Almost surely, 212231033 is an apocalyptic number.

It is an amenable number.

12231033 is a deficient number, since it is larger than the sum of its proper divisors (4077015).

12231033 is an equidigital number, since it uses as much as digits as its factorization.

12231033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077014.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 12231033 is about 3497.2893789333. The cubic root of 12231033 is about 230.4027787992.

Adding to 12231033 its reverse (33013221), we get a palindrome (45244254).

The spelling of 12231033 in words is "twelve million, two hundred thirty-one thousand, thirty-three".

Divisors: 1 3 4077011 12231033