Base | Representation |
---|---|
bin | 11011001100000… |
… | …11110110101010 |
3 | 120220011201101220 |
4 | 31212003312222 |
5 | 431342043231 |
6 | 34344322510 |
7 | 5436441243 |
oct | 1546036652 |
9 | 526151356 |
10 | 228081066 |
11 | 107822754 |
12 | 64473436 |
13 | 38339a15 |
14 | 22411cca |
15 | 15054896 |
hex | d983daa |
228081066 has 16 divisors (see below), whose sum is σ = 457458624. Its totient is φ = 75810944.
The previous prime is 228081059. The next prime is 228081067. The reversal of 228081066 is 660180822.
228081066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (228081067) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51726 + ... + 55961.
It is an arithmetic number, because the mean of its divisors is an integer number (28591164).
Almost surely, 2228081066 is an apocalyptic number.
228081066 is an abundant number, since it is smaller than the sum of its proper divisors (229377558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228081066 is a wasteful number, since it uses less digits than its factorization.
228081066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108045.
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 228081066 is about 15102.3529954772. The cubic root of 228081066 is about 610.9838695770.
The spelling of 228081066 in words is "two hundred twenty-eight million, eighty-one thousand, sixty-six".
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