Base | Representation |
---|---|
bin | 11000100100010… |
… | …10000010001000 |
3 | 112100210021020012 |
4 | 30102022002020 |
5 | 410224230110 |
6 | 32241051052 |
7 | 5051463431 |
oct | 1422120210 |
9 | 470707205 |
10 | 206086280 |
11 | a636a744 |
12 | 59026a88 |
13 | 3390865a |
14 | 1d528488 |
15 | 1315c905 |
hex | c48a088 |
206086280 has 64 divisors (see below), whose sum is σ = 472392000. Its totient is φ = 80905984.
The previous prime is 206086277. The next prime is 206086301. The reversal of 206086280 is 82680602.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765986 + ... + 766254.
It is an arithmetic number, because the mean of its divisors is an integer number (7381125).
Almost surely, 2206086280 is an apocalyptic number.
206086280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
206086280 is an abundant number, since it is smaller than the sum of its proper divisors (266305720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206086280 is a wasteful number, since it uses less digits than its factorization.
206086280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 566 (or 562 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 32.
The square root of 206086280 is about 14355.7054859732. The cubic root of 206086280 is about 590.6765006649.
The spelling of 206086280 in words is "two hundred six million, eighty-six thousand, two hundred eighty".
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