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12242037 = 34080679
BaseRepresentation
bin101110101100…
…110001110101
3212000221220210
4232230301311
511113221122
61114220033
7206025033
oct56546165
925027823
1012242037
116a01695
124124619
1326c8212
1418a9553
15111c40c
hexbacc75

12242037 has 4 divisors (see below), whose sum is σ = 16322720. Its totient is φ = 8161356.

The previous prime is 12242017. The next prime is 12242047. The reversal of 12242037 is 73024221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73024221 = 324341407.

It is not a de Polignac number, because 12242037 - 210 = 12241013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2040337 + ... + 2040342.

It is an arithmetic number, because the mean of its divisors is an integer number (4080680).

Almost surely, 212242037 is an apocalyptic number.

It is an amenable number.

12242037 is a deficient number, since it is larger than the sum of its proper divisors (4080683).

12242037 is an equidigital number, since it uses as much as digits as its factorization.

12242037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080682.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 12242037 is about 3498.8622436444. The cubic root of 12242037 is about 230.4718542464.

Adding to 12242037 its reverse (73024221), we get a palindrome (85266258).

The spelling of 12242037 in words is "twelve million, two hundred forty-two thousand, thirty-seven".

Divisors: 1 3 4080679 12242037