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16043 = 61263
BaseRepresentation
bin11111010101011
3211000012
43322223
51003133
6202135
764526
oct37253
924005
1016043
1111065
12934b
1373c1
145bbd
154b48
hex3eab

16043 has 4 divisors (see below), whose sum is σ = 16368. Its totient is φ = 15720.

The previous prime is 16033. The next prime is 16057. The reversal of 16043 is 34061.

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 16043 - 28 = 15787 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16033) 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, 71 + ... + 192.

It is an arithmetic number, because the mean of its divisors is an integer number (4092).

216043 is an apocalyptic number.

16043 is a deficient number, since it is larger than the sum of its proper divisors (325).

16043 is an equidigital number, since it uses as much as digits as its factorization.

16043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 16043 is about 126.6609647839. The cubic root of 16043 is about 25.2209743913.

The spelling of 16043 in words is "sixteen thousand, forty-three".

Divisors: 1 61 263 16043