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28062 = 2321559
BaseRepresentation
bin110110110011110
31102111100
412312132
51344222
6333530
7144546
oct66636
942440
1028062
111a0a1
12142a6
13ca08
14a326
1584ac
hex6d9e

28062 has 12 divisors (see below), whose sum is σ = 60840. Its totient is φ = 9348.

The previous prime is 28057. The next prime is 28069. The reversal of 28062 is 26082.

28062 is nontrivially palindromic in base 11.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1559 = 28062 / (2 + 8 + 0 + 6 + 2).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28069) by changing a digit.

28062 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 762 + ... + 797.

It is an arithmetic number, because the mean of its divisors is an integer number (5070).

228062 is an apocalyptic number.

28062 is an abundant number, since it is smaller than the sum of its proper divisors (32778).

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

28062 is a wasteful number, since it uses less digits than its factorization.

28062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 28062 is about 167.5171632998. The cubic root of 28062 is about 30.3882861148.

The spelling of 28062 in words is "twenty-eight thousand, sixty-two".

Divisors: 1 2 3 6 9 18 1559 3118 4677 9354 14031 28062