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11028 = 223919
BaseRepresentation
bin10101100010100
3120010110
42230110
5323103
6123020
744103
oct25424
916113
1011028
118316
126470
135034
14403a
153403
hex2b14

11028 has 12 divisors (see below), whose sum is σ = 25760. Its totient is φ = 3672.

The previous prime is 11027. The next prime is 11047. The reversal of 11028 is 82011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 919 = 11028 / (1 + 1 + 0 + 2 + 8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 11028.

It is not an unprimeable number, because it can be changed into a prime (11027) 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, 448 + ... + 471.

211028 is an apocalyptic number.

It is an amenable number.

11028 is an abundant number, since it is smaller than the sum of its proper divisors (14732).

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 (12880).

11028 is a wasteful number, since it uses less digits than its factorization.

11028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11028 is about 105.0142847426. The cubic root of 11028 is about 22.2586550514.

11028 divided by its sum of digits (12) gives a palindrome (919).

Adding to 11028 its reverse (82011), we get a palindrome (93039).

The spelling of 11028 in words is "eleven thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 919 1838 2757 3676 5514 11028