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12242053 = 23352541
BaseRepresentation
bin101110101100…
…110010000101
3212000221221101
4232230302011
511113221203
61114220101
7206025055
oct56546205
925027841
1012242053
116a016aa
124124631
1326c8225
1418a9565
15111c41d
hexbacc85

12242053 has 4 divisors (see below), whose sum is σ = 12294828. Its totient is φ = 12189280.

The previous prime is 12242047. The next prime is 12242059. The reversal of 12242053 is 35024221.

12242053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35024221 = 130126921.

It is an interprime number because it is at equal distance from previous prime (12242047) and next prime (12242059).

It can be written as a sum of positive squares in 2 ways, for example, as 8392609 + 3849444 = 2897^2 + 1962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12242053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12242053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242059) 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, 26038 + ... + 26503.

It is an arithmetic number, because the mean of its divisors is an integer number (3073707).

Almost surely, 212242053 is an apocalyptic number.

It is an amenable number.

12242053 is a deficient number, since it is larger than the sum of its proper divisors (52775).

12242053 is an equidigital number, since it uses as much as digits as its factorization.

12242053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52774.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12242053 is about 3498.8645301012. The cubic root of 12242053 is about 230.4719546531.

Adding to 12242053 its reverse (35024221), we get a palindrome (47266274).

The spelling of 12242053 in words is "twelve million, two hundred forty-two thousand, fifty-three".

Divisors: 1 233 52541 12242053