Base | Representation |
---|---|
bin | 11011001110011… |
… | …01100001101110 |
3 | 120220202001100100 |
4 | 31213031201232 |
5 | 431431222310 |
6 | 34355011530 |
7 | 5442136104 |
oct | 1547154156 |
9 | 526661310 |
10 | 228382830 |
11 | 107a09445 |
12 | 64599ba6 |
13 | 38414190 |
14 | 2248dc74 |
15 | 150b3ec0 |
hex | d9cd86e |
228382830 has 192 divisors, whose sum is σ = 679311360. Its totient is φ = 52835328.
The previous prime is 228382829. The next prime is 228382849. The reversal of 228382830 is 38283822.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1798227 + ... + 1798353.
It is an arithmetic number, because the mean of its divisors is an integer number (3538080).
Almost surely, 2228382830 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 228382830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339655680).
228382830 is an abundant number, since it is smaller than the sum of its proper divisors (450928530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228382830 is a wasteful number, since it uses less digits than its factorization.
228382830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 235 (or 232 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 36.
The square root of 228382830 is about 15112.3403217371. The cubic root of 228382830 is about 611.2532061006.
The spelling of 228382830 in words is "two hundred twenty-eight million, three hundred eighty-two thousand, eight hundred thirty".
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