Base | Representation |
---|---|
bin | 10000110110111… |
… | …000011001100000 |
3 | 201201011212011210 |
4 | 100312320121200 |
5 | 1034400302430 |
6 | 44021510120 |
7 | 10002643431 |
oct | 2066703140 |
9 | 651155153 |
10 | 282822240 |
11 | 135711598 |
12 | 7a872340 |
13 | 4679514c |
14 | 297c1488 |
15 | 19c692b0 |
hex | 10db8660 |
282822240 has 48 divisors (see below), whose sum is σ = 890891568. Its totient is φ = 75419136.
The previous prime is 282822233. The next prime is 282822247. The reversal of 282822240 is 42228282.
It is an interprime number because it is at equal distance from previous prime (282822233) and next prime (282822247).
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 282822198 and 282822207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (282822247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294127 + ... + 295086.
It is an arithmetic number, because the mean of its divisors is an integer number (18560241).
Almost surely, 2282822240 is an apocalyptic number.
282822240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
282822240 is an abundant number, since it is smaller than the sum of its proper divisors (608069328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
282822240 is a wasteful number, since it uses less digits than its factorization.
282822240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 589231 (or 589223 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 30.
The square root of 282822240 is about 16817.3196437482. The cubic root of 282822240 is about 656.4039500951.
The spelling of 282822240 in words is "two hundred eighty-two million, eight hundred twenty-two thousand, two hundred forty".
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