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43027 = 172531
BaseRepresentation
bin1010100000010011
32012000121
422200103
52334102
6531111
7236305
oct124023
965017
1043027
112a366
1220a97
131677a
1411975
15cb37
hexa813

43027 has 4 divisors (see below), whose sum is σ = 45576. Its totient is φ = 40480.

The previous prime is 43019. The next prime is 43037. The reversal of 43027 is 72034.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72034 = 236017.

It is a cyclic number.

It is not a de Polignac number, because 43027 - 23 = 43019 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a nialpdrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 43027.

It is not an unprimeable number, because it can be changed into a prime (43037) 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, 1249 + ... + 1282.

It is an arithmetic number, because the mean of its divisors is an integer number (11394).

243027 is an apocalyptic number.

43027 is a deficient number, since it is larger than the sum of its proper divisors (2549).

43027 is a wasteful number, since it uses less digits than its factorization.

43027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 43027 is about 207.4295060979. The cubic root of 43027 is about 35.0413117633.

The spelling of 43027 in words is "forty-three thousand, twenty-seven", and thus it is an iban number.

Divisors: 1 17 2531 43027