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12280453 is a prime number
BaseRepresentation
bin101110110110…
…001010000101
3212002220121121
4232312022011
511120433303
61115113541
7206245033
oct56661205
925086547
1012280453
116a28539
1241428b1
13270c853
1418b9553
1511289bd
hexbb6285

12280453 has 2 divisors, whose sum is σ = 12280454. Its totient is φ = 12280452.

The previous prime is 12280447. The next prime is 12280469. The reversal of 12280453 is 35408221.

12280453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10647169 + 1633284 = 3263^2 + 1278^2 .

It is a cyclic number.

It is not a de Polignac number, because 12280453 - 213 = 12272261 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12280423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6140226 + 6140227.

It is an arithmetic number, because the mean of its divisors is an integer number (6140227).

Almost surely, 212280453 is an apocalyptic number.

It is an amenable number.

12280453 is a deficient number, since it is larger than the sum of its proper divisors (1).

12280453 is an equidigital number, since it uses as much as digits as its factorization.

12280453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 12280453 is about 3504.3477281800. The cubic root of 12280453 is about 230.7126791371.

Adding to 12280453 its reverse (35408221), we get a palindrome (47688674).

The spelling of 12280453 in words is "twelve million, two hundred eighty thousand, four hundred fifty-three".