Search a number
-
+
12233809 = 73156377
BaseRepresentation
bin101110101010…
…110001010001
3212000112122001
4232222301101
511112440214
61114114001
7205662040
oct56526121
925015561
1012233809
1169a6495
12411b901
1326c4553
1418a6557
151119c74
hexbaac51

12233809 has 8 divisors (see below), whose sum is σ = 14432768. Its totient is φ = 10147680.

The previous prime is 12233803. The next prime is 12233813. The reversal of 12233809 is 90833221.

12233809 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 12233809 - 27 = 12233681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12233803) 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, 27972 + ... + 28405.

It is an arithmetic number, because the mean of its divisors is an integer number (1804096).

Almost surely, 212233809 is an apocalyptic number.

It is an amenable number.

12233809 is a deficient number, since it is larger than the sum of its proper divisors (2198959).

12233809 is an equidigital number, since it uses as much as digits as its factorization.

12233809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56415.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12233809 is about 3497.6862352132. The cubic root of 12233809 is about 230.4202084998.

The spelling of 12233809 in words is "twelve million, two hundred thirty-three thousand, eight hundred nine".

Divisors: 1 7 31 217 56377 394639 1747687 12233809