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16143 = 35381
BaseRepresentation
bin11111100001111
3211010220
43330033
51004033
6202423
765031
oct37417
924126
1016143
1111146
129413
13746a
145c51
154bb3
hex3f0f

16143 has 4 divisors (see below), whose sum is σ = 21528. Its totient is φ = 10760.

The previous prime is 16141. The next prime is 16183. The reversal of 16143 is 34161.

16143 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 16143 - 21 = 16141 is a prime.

It is a D-number.

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

It is a plaindrome in base 11.

It is a zygodrome in base 2 and base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16141) 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, 2688 + ... + 2693.

It is an arithmetic number, because the mean of its divisors is an integer number (5382).

216143 is an apocalyptic number.

16143 is a deficient number, since it is larger than the sum of its proper divisors (5385).

16143 is an equidigital number, since it uses as much as digits as its factorization.

16143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5384.

The product of its digits is 72, while the sum is 15.

The square root of 16143 is about 127.0551061548. The cubic root of 16143 is about 25.2732687508.

The spelling of 16143 in words is "sixteen thousand, one hundred forty-three".

Divisors: 1 3 5381 16143