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43026 = 2371101
BaseRepresentation
bin1010100000010010
32012000120
422200102
52334101
6531110
7236304
oct124022
965016
1043026
112a365
1220a96
1316779
1411974
15cb36
hexa812

43026 has 16 divisors (see below), whose sum is σ = 88128. Its totient is φ = 14000.

The previous prime is 43019. The next prime is 43037. The reversal of 43026 is 62034.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 13.

It is a nialpdrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 42996 and 43014.

It is a congruent number.

It is an unprimeable number.

43026 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376 + ... + 476.

It is an arithmetic number, because the mean of its divisors is an integer number (5508).

243026 is an apocalyptic number.

43026 is an abundant number, since it is smaller than the sum of its proper divisors (45102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44064).

43026 is a wasteful number, since it uses less digits than its factorization.

43026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 43026 is about 207.4270956264. The cubic root of 43026 is about 35.0410402935.

The spelling of 43026 in words is "forty-three thousand, twenty-six".

Divisors: 1 2 3 6 71 101 142 202 213 303 426 606 7171 14342 21513 43026