Base | Representation |
---|---|
bin | 1100101111011… |
… | …01010101001001 |
3 | 21110002222102212 |
4 | 12113231111021 |
5 | 204330101111 |
6 | 14334434505 |
7 | 2435310326 |
oct | 627552511 |
9 | 243088385 |
10 | 106878281 |
11 | 5536a264 |
12 | 2b962a35 |
13 | 191b14b3 |
14 | 102a1b4d |
15 | 95b298b |
hex | 65ed549 |
106878281 has 2 divisors, whose sum is σ = 106878282. Its totient is φ = 106878280.
The previous prime is 106878271. The next prime is 106878307. The reversal of 106878281 is 182878601.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 67502656 + 39375625 = 8216^2 + 6275^2 .
It is a cyclic number.
It is not a de Polignac number, because 106878281 - 210 = 106877257 is a prime.
It is a super-2 number, since 2×1068782812 = 22845933899029922, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (106878241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53439140 + 53439141.
It is an arithmetic number, because the mean of its divisors is an integer number (53439141).
Almost surely, 2106878281 is an apocalyptic number.
It is an amenable number.
106878281 is a deficient number, since it is larger than the sum of its proper divisors (1).
106878281 is an equidigital number, since it uses as much as digits as its factorization.
106878281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 43008, while the sum is 41.
The square root of 106878281 is about 10338.1952486882. The cubic root of 106878281 is about 474.5658541001.
The spelling of 106878281 in words is "one hundred six million, eight hundred seventy-eight thousand, two hundred eighty-one".
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