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28034 = 2107131
BaseRepresentation
bin110110110000010
31102110022
412312002
51344114
6333442
7144506
oct66602
942408
1028034
111a076
1214282
13c9b6
14a306
15848e
hex6d82

28034 has 8 divisors (see below), whose sum is σ = 42768. Its totient is φ = 13780.

The previous prime is 28031. The next prime is 28051. The reversal of 28034 is 43082.

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

It is not an unprimeable number, because it can be changed into a prime (28031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149 + ... + 279.

It is an arithmetic number, because the mean of its divisors is an integer number (5346).

228034 is an apocalyptic number.

28034 is a deficient number, since it is larger than the sum of its proper divisors (14734).

28034 is a wasteful number, since it uses less digits than its factorization.

28034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 28034 is about 167.4335689162. The cubic root of 28034 is about 30.3781757026.

The spelling of 28034 in words is "twenty-eight thousand, thirty-four".

Divisors: 1 2 107 131 214 262 14017 28034