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14242 = 27121
BaseRepresentation
bin11011110100010
3201112111
43132202
5423432
6145534
756344
oct33642
921474
1014242
11a778
1282aa
136637
145294
154347
hex37a2

14242 has 4 divisors (see below), whose sum is σ = 21366. Its totient is φ = 7120.

The previous prime is 14221. The next prime is 14243. The reversal of 14242 is 24241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24241 = 73463.

It can be written as a sum of positive squares in only one way, i.e., 14161 + 81 = 119^2 + 9^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (14243) by changing a digit.

14242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3559 + ... + 3562.

214242 is an apocalyptic number.

14242 is a deficient number, since it is larger than the sum of its proper divisors (7124).

14242 is an equidigital number, since it uses as much as digits as its factorization.

14242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7123.

The product of its digits is 64, while the sum is 13.

The square root of 14242 is about 119.3398508462. The cubic root of 14242 is about 24.2395001839.

Adding to 14242 its reverse (24241), we get a palindrome (38483).

Subtracting 14242 from its reverse (24241), we obtain a palindrome (9999).

It can be divided in two parts, 14 and 242, that added together give a 8-th power (256 = 28).

The spelling of 14242 in words is "fourteen thousand, two hundred forty-two", and thus it is an iban number.

Divisors: 1 2 7121 14242