Base | Representation |
---|---|
bin | 11011010001110… |
… | …00111100101001 |
3 | 120221120101220110 |
4 | 31220320330221 |
5 | 432034312300 |
6 | 34412244533 |
7 | 5445650640 |
oct | 1550707451 |
9 | 527511813 |
10 | 228822825 |
11 | 108189a80 |
12 | 64770749 |
13 | 3853952a |
14 | 22566357 |
15 | 1514e550 |
hex | da38f29 |
228822825 has 48 divisors (see below), whose sum is σ = 471684096. Its totient is φ = 95092800.
The previous prime is 228822787. The next prime is 228822851. The reversal of 228822825 is 528228822.
It is not a de Polignac number, because 228822825 - 26 = 228822761 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14037 + ... + 25586.
It is an arithmetic number, because the mean of its divisors is an integer number (9826752).
Almost surely, 2228822825 is an apocalyptic number.
228822825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
228822825 is an abundant number, since it is smaller than the sum of its proper divisors (242861271).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228822825 is a wasteful number, since it uses less digits than its factorization.
228822825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39654 (or 39649 counting only the distinct ones).
The product of its digits is 81920, while the sum is 39.
The square root of 228822825 is about 15126.8907909061. The cubic root of 228822825 is about 611.6454945274.
The spelling of 228822825 in words is "two hundred twenty-eight million, eight hundred twenty-two thousand, eight hundred twenty-five".
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