Search a number
-
+
228066 = 2338011
BaseRepresentation
bin110111101011100010
3102120211220
4313223202
524244231
64515510
71636626
oct675342
9376756
10228066
11146393
12abb96
137ca67
145d186
1547896
hex37ae2

228066 has 8 divisors (see below), whose sum is σ = 456144. Its totient is φ = 76020.

The previous prime is 228061. The next prime is 228077. The reversal of 228066 is 660822.

It is a sphenic number, since it is the product of 3 distinct primes.

228066 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228066.

It is not an unprimeable number, because it can be changed into a prime (228061) by changing a digit.

228066 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 19000 + ... + 19011.

It is an arithmetic number, because the mean of its divisors is an integer number (57018).

2228066 is an apocalyptic number.

228066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228066 is a wasteful number, since it uses less digits than its factorization.

228066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38016.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 228066 is about 477.5625613467. The cubic root of 228066 is about 61.0970416340.

Adding to 228066 its reverse (660822), we get a palindrome (888888).

It can be divided in two parts, 2280 and 66, that added together give a triangular number (2346 = T68).

The spelling of 228066 in words is "two hundred twenty-eight thousand, sixty-six".

Divisors: 1 2 3 6 38011 76022 114033 228066