Base | Representation |
---|---|
bin | 11000100101001… |
… | …10111100001000 |
3 | 112101000021122101 |
4 | 30102212330020 |
5 | 410242022210 |
6 | 32243403144 |
7 | 5052465553 |
oct | 1422467410 |
9 | 471007571 |
10 | 206204680 |
11 | a64406a0 |
12 | 590834b4 |
13 | 3394a506 |
14 | 1d55969a |
15 | 13182a3a |
hex | c4a6f08 |
206204680 has 32 divisors (see below), whose sum is σ = 506139840. Its totient is φ = 74983360.
The previous prime is 206204671. The next prime is 206204699. The reversal of 206204680 is 86402602.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233884 + ... + 234763.
It is an arithmetic number, because the mean of its divisors is an integer number (15816870).
Almost surely, 2206204680 is an apocalyptic number.
206204680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
206204680 is an abundant number, since it is smaller than the sum of its proper divisors (299935160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206204680 is a wasteful number, since it uses less digits than its factorization.
206204680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 468669 (or 468665 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 28.
The square root of 206204680 is about 14359.8286897860. The cubic root of 206204680 is about 590.7895968380.
The spelling of 206204680 in words is "two hundred six million, two hundred four thousand, six hundred eighty".
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