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BaseRepresentation
bin11111010101111
3211000100
43322233
51003142
6202143
764533
oct37257
924010
1016047
1111069
129353
1373c5
145bc3
154b4c
hex3eaf

16047 has 6 divisors (see below), whose sum is σ = 23192. Its totient is φ = 10692.

The previous prime is 16033. The next prime is 16057. The reversal of 16047 is 74061.

16047 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 16047 - 27 = 15919 is a prime.

It is an Ulam number.

It is a Duffinian number.

16047 is a lucky number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16007) 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 5 ways as a sum of consecutive naturals, for example, 883 + ... + 900.

216047 is an apocalyptic number.

16047 is a deficient number, since it is larger than the sum of its proper divisors (7145).

16047 is a wasteful number, since it uses less digits than its factorization.

16047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 16047 is about 126.6767539843. The cubic root of 16047 is about 25.2230703317.

The spelling of 16047 in words is "sixteen thousand, forty-seven".

Divisors: 1 3 9 1783 5349 16047