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13915453 is a prime number
BaseRepresentation
bin110101000101…
…010100111101
3222011222102011
4311011110331
512030243303
61214131221
7226164556
oct65052475
928158364
1013915453
117944982
1247b0b11
132b62ac6
141bc332d
15134d16d
hexd4553d

13915453 has 2 divisors, whose sum is σ = 13915454. Its totient is φ = 13915452.

The previous prime is 13915439. The next prime is 13915463. The reversal of 13915453 is 35451931.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9132484 + 4782969 = 3022^2 + 2187^2 .

It is a cyclic number.

It is not a de Polignac number, because 13915453 - 213 = 13907261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13915463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6957726 + 6957727.

It is an arithmetic number, because the mean of its divisors is an integer number (6957727).

Almost surely, 213915453 is an apocalyptic number.

It is an amenable number.

13915453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13915453 is an equidigital number, since it uses as much as digits as its factorization.

13915453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 31.

The square root of 13915453 is about 3730.3422095030. The cubic root of 13915453 is about 240.5280790979.

The spelling of 13915453 in words is "thirteen million, nine hundred fifteen thousand, four hundred fifty-three".