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3143 = 7449
BaseRepresentation
bin110001000111
311022102
4301013
5100033
622315
712110
oct6107
94272
103143
1123a8
12199b
13157a
141207
15de8
hexc47

3143 has 4 divisors (see below), whose sum is σ = 3600. Its totient is φ = 2688.

The previous prime is 3137. The next prime is 3163. The reversal of 3143 is 3413.

Adding to 3143 its reverse (3413), we get a palindrome (6556).

3143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3143 - 26 = 3079 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12 and base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218 + ... + 231.

It is an arithmetic number, because the mean of its divisors is an integer number (900).

23143 is an apocalyptic number.

3143 is a deficient number, since it is larger than the sum of its proper divisors (457).

3143 is an equidigital number, since it uses as much as digits as its factorization.

3143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its digits is 36, while the sum is 11.

The square root of 3143 is about 56.0624651616. The cubic root of 3143 is about 14.6481055377.

The spelling of 3143 in words is "three thousand, one hundred forty-three", and thus it is an iban number.

Divisors: 1 7 449 3143