Search a number
2303 = 7247
BaseRepresentation
bin100011111111
310011022
4203333
533203
614355
76500
oct4377
93138
102303
111804
1213bb
131082
14ba7
15a38
hex8ff

2303 has 6 divisors (see below), whose sum is σ = 2736. Its totient is φ = 1932.

The previous prime is 2297. The next prime is 2309. The reversal of 2303 is 3032.

It is a Cunningham number, because it is equal to 482-1.

It is an interprime number because it is at equal distance from previous prime (2297) and next prime (2309).

It is not a de Polignac number, because 2303 - 24 = 2287 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a plaindrome in base 12 and base 16.

It is a nialpdrome in base 7 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26 + ... + 72.

It is an arithmetic number, because the mean of its divisors is an integer number (456).

22303 is an apocalyptic number.

2303 is a deficient number, since it is larger than the sum of its proper divisors (433).

2303 is an equidigital number, since it uses as much as digits as its factorization.

2303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 8.

The square root of 2303 is about 47.9895822028. The cubic root of 2303 is about 13.2057978815.

Adding to 2303 its reverse (3032), we get a palindrome (5335).

Subtracting 2303 from its reverse (3032), we obtain a 6-th power (729 = 36).

It can be divided in two parts, 2 and 303, that multiplied together give a palindrome (606).

The spelling of 2303 in words is "two thousand, three hundred three", and thus it is an iban number.

Divisors: 1 7 47 49 329 2303