Base | Representation |
---|---|
bin | 10000110011101… |
… | …110101100111000 |
3 | 201122121212220120 |
4 | 100303232230320 |
5 | 1034142333323 |
6 | 43552053240 |
7 | 6662633013 |
oct | 2063565470 |
9 | 648555816 |
10 | 281996088 |
11 | 1351a7920 |
12 | 7a534220 |
13 | 465660ba |
14 | 2964837a |
15 | 19b545e3 |
hex | 10ceeb38 |
281996088 has 64 divisors (see below), whose sum is σ = 793912320. Its totient is φ = 82694400.
The previous prime is 281996083. The next prime is 281996089. The reversal of 281996088 is 880699182.
It is a self number, because there is not a number n which added to its sum of digits gives 281996088.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (281996083) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9045 + ... + 25412.
It is an arithmetic number, because the mean of its divisors is an integer number (12404880).
Almost surely, 2281996088 is an apocalyptic number.
It is an amenable number.
281996088 is an abundant number, since it is smaller than the sum of its proper divisors (511916232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
281996088 is a wasteful number, since it uses less digits than its factorization.
281996088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34508 (or 34504 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 51.
The square root of 281996088 is about 16792.7391452377. The cubic root of 281996088 is about 655.7641862609.
The spelling of 281996088 in words is "two hundred eighty-one million, nine hundred ninety-six thousand, eighty-eight".
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