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12233005 = 54495449
BaseRepresentation
bin101110101010…
…100100101101
3212000111112021
4232222210231
511112424010
61114110141
7205656511
oct56524455
925014467
1012233005
1169a5924
12411b351
1326c4085
1418a6141
1511198da
hexbaa92d

12233005 has 8 divisors (see below), whose sum is σ = 14715000. Its totient is φ = 9762816.

The previous prime is 12232999. The next prime is 12233009. The reversal of 12233005 is 50033221.

It can be written as a sum of positive squares in 4 ways, for example, as 268324 + 11964681 = 518^2 + 3459^2 .

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 12233005 - 219 = 11708717 is a prime.

It is a super-2 number, since 2×122330052 = 299292822660050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12233005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233009) 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 7 ways as a sum of consecutive naturals, for example, 480 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (1839375).

Almost surely, 212233005 is an apocalyptic number.

It is an amenable number.

12233005 is a deficient number, since it is larger than the sum of its proper divisors (2481995).

12233005 is an equidigital number, since it uses as much as digits as its factorization.

12233005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5903.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 12233005 is about 3497.5713002025. The cubic root of 12233005 is about 230.4151606878.

Adding to 12233005 its reverse (50033221), we get a palindrome (62266226).

The spelling of 12233005 in words is "twelve million, two hundred thirty-three thousand, five".

Divisors: 1 5 449 2245 5449 27245 2446601 12233005