Base | Representation |
---|---|
bin | 11011001101101… |
… | …00101010111000 |
3 | 120220112212200110 |
4 | 31212310222320 |
5 | 431414443031 |
6 | 34352504320 |
7 | 5441233215 |
oct | 1546645270 |
9 | 526485613 |
10 | 228281016 |
11 | 1079499a7 |
12 | 6454b0a0 |
13 | 383a9a32 |
14 | 22464b0c |
15 | 15093c46 |
hex | d9b4ab8 |
228281016 has 32 divisors (see below), whose sum is σ = 571386240. Its totient is φ = 76002528.
The previous prime is 228280909. The next prime is 228281041. The reversal of 228281016 is 610182822.
It is a super-2 number, since 2×2282810162 = 104224444531984512, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16525 + ... + 27011.
It is an arithmetic number, because the mean of its divisors is an integer number (17855820).
Almost surely, 2228281016 is an apocalyptic number.
It is an amenable number.
228281016 is an abundant number, since it is smaller than the sum of its proper divisors (343105224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228281016 is a wasteful number, since it uses less digits than its factorization.
228281016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11403 (or 11399 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 228281016 is about 15108.9713746502. The cubic root of 228281016 is about 611.1623595393.
The spelling of 228281016 in words is "two hundred twenty-eight million, two hundred eighty-one thousand, sixteen".
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