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12238293 = 34079431
BaseRepresentation
bin101110101011…
…110111010101
3212000202210010
4232223313111
511113111133
61114150433
7206011104
oct56536725
925022703
1012238293
1169a98a1
124122419
1326c65c2
1418a803b
15111b263
hexbabdd5

12238293 has 4 divisors (see below), whose sum is σ = 16317728. Its totient is φ = 8158860.

The previous prime is 12238279. The next prime is 12238297. The reversal of 12238293 is 39283221.

It is a happy number.

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.

It is not a de Polignac number, because 12238293 - 26 = 12238229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12238293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12238297) 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, 2039713 + ... + 2039718.

It is an arithmetic number, because the mean of its divisors is an integer number (4079432).

Almost surely, 212238293 is an apocalyptic number.

It is an amenable number.

12238293 is a deficient number, since it is larger than the sum of its proper divisors (4079435).

12238293 is an equidigital number, since it uses as much as digits as its factorization.

12238293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079434.

The product of its digits is 5184, while the sum is 30.

The square root of 12238293 is about 3498.3271716636. The cubic root of 12238293 is about 230.4483566699.

The spelling of 12238293 in words is "twelve million, two hundred thirty-eight thousand, two hundred ninety-three".

Divisors: 1 3 4079431 12238293