Search a number
-
+
12023633 = 53892549
BaseRepresentation
bin101101110111…
…011101010001
3211121212022202
4231313131101
511034224013
61105412545
7204125216
oct55673521
924555282
1012023633
116872596
12403a155
13264c99b
14184db0d
1510c7858
hexb77751

12023633 has 8 divisors (see below), whose sum is σ = 12393000. Its totient is φ = 11659648.

The previous prime is 12023623. The next prime is 12023651. The reversal of 12023633 is 33632021.

It can be written as a sum of positive squares in 4 ways, for example, as 3775249 + 8248384 = 1943^2 + 2872^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12023633 - 26 = 12023569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12023623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3443 + ... + 5991.

It is an arithmetic number, because the mean of its divisors is an integer number (1549125).

Almost surely, 212023633 is an apocalyptic number.

It is an amenable number.

12023633 is a deficient number, since it is larger than the sum of its proper divisors (369367).

12023633 is an equidigital number, since it uses as much as digits as its factorization.

12023633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 12023633 is about 3467.5110670335. The cubic root of 12023633 is about 229.0930445748.

Adding to 12023633 its reverse (33632021), we get a palindrome (45655654).

The spelling of 12023633 in words is "twelve million, twenty-three thousand, six hundred thirty-three".

Divisors: 1 53 89 2549 4717 135097 226861 12023633