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14243513 is a prime number
BaseRepresentation
bin110110010101…
…011010111001
3222210122102112
4312111122321
512121243023
61225142105
7232032164
oct66253271
928718375
1014243513
1180493a9
12492a935
132c4921b
141c6aadb
1513b5478
hexd956b9

14243513 has 2 divisors, whose sum is σ = 14243514. Its totient is φ = 14243512.

The previous prime is 14243503. The next prime is 14243531. The reversal of 14243513 is 31534241.

Together with next prime (14243531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11641744 + 2601769 = 3412^2 + 1613^2 .

It is an emirp because it is prime and its reverse (31534241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14243513 - 210 = 14242489 is a prime.

It is not a weakly prime, because it can be changed into another prime (14243503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7121756 + 7121757.

It is an arithmetic number, because the mean of its divisors is an integer number (7121757).

Almost surely, 214243513 is an apocalyptic number.

It is an amenable number.

14243513 is a deficient number, since it is larger than the sum of its proper divisors (1).

14243513 is an equidigital number, since it uses as much as digits as its factorization.

14243513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 14243513 is about 3774.0578956873. The cubic root of 14243513 is about 242.4035851529.

Adding to 14243513 its reverse (31534241), we get a palindrome (45777754).

The spelling of 14243513 in words is "fourteen million, two hundred forty-three thousand, five hundred thirteen".