228030 has 32 divisors (see below), whose sum is σ = 597888. Its totient is φ = 55200.
The previous prime is 228023. The next prime is 228049. The reversal of 228030 is 30822.
228030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a plaindrome in base 16.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16 + ... + 675.
It is an arithmetic number, because the mean of its divisors is an integer number (18684).
2228030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 228030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298944).
228030 is an abundant number, since it is smaller than the sum of its proper divisors (369858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228030 is a wasteful number, since it uses less digits than its factorization.
228030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 712.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 228030 is about 477.5248684624. The cubic root of 228030 is about 61.0938267617.
Adding to 228030 its reverse (30822), we get a palindrome (258852).
The spelling of 228030 in words is "two hundred twenty-eight thousand, thirty".
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