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16071 = 311487
BaseRepresentation
bin11111011000111
3211001020
43323013
51003241
6202223
764566
oct37307
924036
1016071
1111090
129373
137413
145bdd
154b66
hex3ec7

16071 has 8 divisors (see below), whose sum is σ = 23424. Its totient is φ = 9720.

The previous prime is 16069. The next prime is 16073. The reversal of 16071 is 17061.

It is an interprime number because it is at equal distance from previous prime (16069) and next prime (16073).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16071 - 21 = 16069 is a prime.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 16071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211 + ... + 276.

It is an arithmetic number, because the mean of its divisors is an integer number (2928).

216071 is an apocalyptic number.

16071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16071 is a deficient number, since it is larger than the sum of its proper divisors (7353).

16071 is a wasteful number, since it uses less digits than its factorization.

16071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 16071 is about 126.7714478895. The cubic root of 16071 is about 25.2356386653.

Subtracting 16071 from its reverse (17061), we obtain a triangular number (990 = T44).

It can be divided in two parts, 160 and 71, that added together give a triangular number (231 = T21).

The spelling of 16071 in words is "sixteen thousand, seventy-one".

Divisors: 1 3 11 33 487 1461 5357 16071