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12241245 = 351097487
BaseRepresentation
bin101110101100…
…100101011101
3212000220211110
4232230211131
511113204440
61114212233
7206022522
oct56544535
925026743
1012241245
116a01035
124124079
1326c7a53
1418a9149
15111c080
hexbac95d

12241245 has 16 divisors (see below), whose sum is σ = 19768320. Its totient is φ = 6467904.

The previous prime is 12241231. The next prime is 12241279. The reversal of 12241245 is 54214221.

12241245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12241245 - 25 = 12241213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2109 + ... + 5378.

It is an arithmetic number, because the mean of its divisors is an integer number (1235520).

Almost surely, 212241245 is an apocalyptic number.

12241245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12241245 is a deficient number, since it is larger than the sum of its proper divisors (7527075).

12241245 is a wasteful number, since it uses less digits than its factorization.

12241245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604.

The product of its digits is 640, while the sum is 21.

The square root of 12241245 is about 3498.7490621649. The cubic root of 12241245 is about 230.4668840048.

Adding to 12241245 its reverse (54214221), we get a palindrome (66455466).

The spelling of 12241245 in words is "twelve million, two hundred forty-one thousand, two hundred forty-five".

Divisors: 1 3 5 15 109 327 545 1635 7487 22461 37435 112305 816083 2448249 4080415 12241245