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3243 = 32347
BaseRepresentation
bin110010101011
311110010
4302223
5100433
623003
712312
oct6253
94403
103243
112489
121a63
131626
141279
15e63
hexcab

3243 has 8 divisors (see below), whose sum is σ = 4608. Its totient is φ = 2024.

The previous prime is 3229. The next prime is 3251. The reversal of 3243 is 3423.

Adding to 3243 its reverse (3423), we get a palindrome (6666).

It can be divided in two parts, 3 and 243, that multiplied together give a 6-th power (729 = 36).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3243 - 29 = 2731 is a prime.

3243 is a lucky number.

It is a plaindrome in base 11 and base 14.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (3203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46 + ... + 92.

It is an arithmetic number, because the mean of its divisors is an integer number (576).

3243 is a deficient number, since it is larger than the sum of its proper divisors (1365).

3243 is a wasteful number, since it uses less digits than its factorization.

3243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73.

The product of its digits is 72, while the sum is 12.

The square root of 3243 is about 56.9473440996. The cubic root of 3243 is about 14.8018380965.

The spelling of 3243 in words is "three thousand, two hundred forty-three", and thus it is an iban number.

Divisors: 1 3 23 47 69 141 1081 3243