Search a number
-
+
183228 = 22315269
BaseRepresentation
bin101100101110111100
3100022100020
4230232330
521330403
63532140
71362123
oct545674
9308306
10183228
11115731
128a050
1365526
144aaba
1539453
hex2cbbc

183228 has 12 divisors (see below), whose sum is σ = 427560. Its totient is φ = 61072.

The previous prime is 183203. The next prime is 183247. The reversal of 183228 is 822381.

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

It is a junction number, because it is equal to n+sod(n) for n = 183198 and 183207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7623 + ... + 7646.

It is an arithmetic number, because the mean of its divisors is an integer number (35630).

2183228 is an apocalyptic number.

It is an amenable number.

183228 is an abundant number, since it is smaller than the sum of its proper divisors (244332).

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

183228 is a wasteful number, since it uses less digits than its factorization.

183228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15276 (or 15274 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 183228 is about 428.0513987829. The cubic root of 183228 is about 56.7976822436.

The spelling of 183228 in words is "one hundred eighty-three thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 15269 30538 45807 61076 91614 183228