Base | Representation |
---|---|
bin | 11011010000111… |
… | …00101001000100 |
3 | 120221100111212100 |
4 | 31220130221010 |
5 | 432022110014 |
6 | 34405552100 |
7 | 5444655630 |
oct | 1550345104 |
9 | 527314770 |
10 | 228706884 |
11 | 10810a95a |
12 | 64715630 |
13 | 384c8823 |
14 | 22535dc0 |
15 | 1512a009 |
hex | da1ca44 |
228706884 has 36 divisors (see below), whose sum is σ = 660709504. Its totient is φ = 65344752.
The previous prime is 228706823. The next prime is 228706889. The reversal of 228706884 is 488607822.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-3 number, since 3×2287068843 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228706889) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453532 + ... + 454035.
Almost surely, 2228706884 is an apocalyptic number.
It is an amenable number.
228706884 is an abundant number, since it is smaller than the sum of its proper divisors (432002620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228706884 is a wasteful number, since it uses less digits than its factorization.
228706884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 907584 (or 907579 counting only the distinct ones).
The product of its (nonzero) digits is 344064, while the sum is 45.
The square root of 228706884 is about 15123.0580240902. The cubic root of 228706884 is about 611.5421732922.
The spelling of 228706884 in words is "two hundred twenty-eight million, seven hundred six thousand, eight hundred eighty-four".
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