Search a number
-
+
12241305 = 325272029
BaseRepresentation
bin101110101100…
…100110011001
3212000220220200
4232230212121
511113210210
61114212413
7206022636
oct56544631
925026820
1012241305
116a0108a
124124109
1326c7a9b
1418a918d
15111c0c0
hexbac999

12241305 has 12 divisors (see below), whose sum is σ = 21218340. Its totient is φ = 6528672.

The previous prime is 12241289. The next prime is 12241319. The reversal of 12241305 is 50314221.

It can be written as a sum of positive squares in 2 ways, for example, as 6365529 + 5875776 = 2523^2 + 2424^2 .

It is not a de Polignac number, because 12241305 - 24 = 12241289 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 135970 + ... + 136059.

It is an arithmetic number, because the mean of its divisors is an integer number (1768195).

Almost surely, 212241305 is an apocalyptic number.

12241305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12241305 is a deficient number, since it is larger than the sum of its proper divisors (8977035).

12241305 is a wasteful number, since it uses less digits than its factorization.

12241305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272040 (or 272037 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12241305 is about 3498.7576366476. The cubic root of 12241305 is about 230.4672605458.

Adding to 12241305 its reverse (50314221), we get a palindrome (62555526).

The spelling of 12241305 in words is "twelve million, two hundred forty-one thousand, three hundred five".

Divisors: 1 3 5 9 15 45 272029 816087 1360145 2448261 4080435 12241305