Base | Representation |
---|---|
bin | 1100011110101… |
… | …10001000000001 |
3 | 21021222121022021 |
4 | 12033112020001 |
5 | 203244423311 |
6 | 14215441441 |
7 | 2410550143 |
oct | 617261001 |
9 | 237877267 |
10 | 104686081 |
11 | 54102225 |
12 | 2b086281 |
13 | 188c4736 |
14 | dc90c93 |
15 | 92cd171 |
hex | 63d6201 |
104686081 has 2 divisors, whose sum is σ = 104686082. Its totient is φ = 104686080.
The previous prime is 104686069. The next prime is 104686091. The reversal of 104686081 is 180686401.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 104223681 + 462400 = 10209^2 + 680^2 .
It is a cyclic number.
It is not a de Polignac number, because 104686081 - 29 = 104685569 is a prime.
It is a super-2 number, since 2×1046860812 = 21918351110277122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (104686091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52343040 + 52343041.
It is an arithmetic number, because the mean of its divisors is an integer number (52343041).
Almost surely, 2104686081 is an apocalyptic number.
It is an amenable number.
104686081 is a deficient number, since it is larger than the sum of its proper divisors (1).
104686081 is an equidigital number, since it uses as much as digits as its factorization.
104686081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9216, while the sum is 34.
The square root of 104686081 is about 10231.6216212290. The cubic root of 104686081 is about 471.2987783096.
The spelling of 104686081 in words is "one hundred four million, six hundred eighty-six thousand, eighty-one".
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