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13303 = 53251
BaseRepresentation
bin11001111110111
3200020201
43033313
5411203
6141331
753533
oct31767
920221
1013303
119aa4
127847
136094
144bc3
153e1d
hex33f7

13303 has 4 divisors (see below), whose sum is σ = 13608. Its totient is φ = 13000.

The previous prime is 13297. The next prime is 13309. The reversal of 13303 is 30331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13297) and next prime (13309).

It is a cyclic number.

It is not a de Polignac number, because 13303 - 29 = 12791 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73 + ... + 178.

It is an arithmetic number, because the mean of its divisors is an integer number (3402).

213303 is an apocalyptic number.

13303 is a deficient number, since it is larger than the sum of its proper divisors (305).

13303 is an equidigital number, since it uses as much as digits as its factorization.

13303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its (nonzero) digits is 27, while the sum is 10.

The square root of 13303 is about 115.3386318629. The cubic root of 13303 is about 23.6946263046.

Adding to 13303 its reverse (30331), we get a palindrome (43634).

The spelling of 13303 in words is "thirteen thousand, three hundred three".

Divisors: 1 53 251 13303