Base | Representation |
---|---|
bin | 11000110100001… |
… | …01000100001000 |
3 | 112111200210001201 |
4 | 30122011010020 |
5 | 411242204310 |
6 | 32353353544 |
7 | 5105233306 |
oct | 1432050410 |
9 | 474623051 |
10 | 208163080 |
11 | a7559004 |
12 | 598688b4 |
13 | 34184a28 |
14 | 1d909276 |
15 | 1341ce3a |
hex | c685108 |
208163080 has 16 divisors (see below), whose sum is σ = 468367020. Its totient is φ = 83265216.
The previous prime is 208163071. The next prime is 208163083. The reversal of 208163080 is 80361802.
It can be written as a sum of positive squares in 2 ways, for example, as 206037316 + 2125764 = 14354^2 + 1458^2 .
It is not an unprimeable number, because it can be changed into a prime (208163083) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2601999 + ... + 2602078.
Almost surely, 2208163080 is an apocalyptic number.
208163080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
208163080 is an abundant number, since it is smaller than the sum of its proper divisors (260203940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208163080 is a wasteful number, since it uses less digits than its factorization.
208163080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5204088 (or 5204084 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 208163080 is about 14427.8577758446. The cubic root of 208163080 is about 592.6540206210.
The spelling of 208163080 in words is "two hundred eight million, one hundred sixty-three thousand, eighty".
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