Search a number
28076 = 227019
BaseRepresentation
bin110110110101100
31102111212
412312230
51344301
6333552
7144566
oct66654
942455
1028076
111a104
12142b8
13ca19
14a336
1584bb
hex6dac

28076 has 6 divisors (see below), whose sum is σ = 49140. Its totient is φ = 14036.

The previous prime is 28069. The next prime is 28081. The reversal of 28076 is 67082.

It is an Ulam number.

It is a plaindrome in base 7.

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3506 + ... + 3513.

It is an arithmetic number, because the mean of its divisors is an integer number (8190).

228076 is an apocalyptic number.

It is an amenable number.

28076 is a deficient number, since it is larger than the sum of its proper divisors (21064).

28076 is a wasteful number, since it uses less digits than its factorization.

28076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023 (or 7021 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 28076 is about 167.5589448523. The cubic root of 28076 is about 30.3933387991.

The spelling of 28076 in words is "twenty-eight thousand, seventy-six".

Divisors: 1 2 4 7019 14038 28076