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14243545 = 52848709
BaseRepresentation
bin110110010101…
…011011011001
3222210122110201
4312111123121
512121243140
61225142201
7232032241
oct66253331
928718421
1014243545
118049428
12492a961
132c49244
141c6ab21
1513b549a
hexd956d9

14243545 has 4 divisors (see below), whose sum is σ = 17092260. Its totient is φ = 11394832.

The previous prime is 14243543. The next prime is 14243549. The reversal of 14243545 is 54534241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54534241 = 471160303.

It can be written as a sum of positive squares in 2 ways, for example, as 4583881 + 9659664 = 2141^2 + 3108^2 .

It is a cyclic number.

It is not a de Polignac number, because 14243545 - 21 = 14243543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14243543) 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, 1424350 + ... + 1424359.

It is an arithmetic number, because the mean of its divisors is an integer number (4273065).

Almost surely, 214243545 is an apocalyptic number.

It is an amenable number.

14243545 is a deficient number, since it is larger than the sum of its proper divisors (2848715).

14243545 is an equidigital number, since it uses as much as digits as its factorization.

14243545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848714.

The product of its digits is 9600, while the sum is 28.

The square root of 14243545 is about 3774.0621351536. The cubic root of 14243545 is about 242.4037666837.

Adding to 14243545 its reverse (54534241), we get a palindrome (68777786).

The spelling of 14243545 in words is "fourteen million, two hundred forty-three thousand, five hundred forty-five".

Divisors: 1 5 2848709 14243545