Base | Representation |
---|---|
bin | 1100011110101… |
… | …11100010000001 |
3 | 21021222220012121 |
4 | 12033113202001 |
5 | 203300114331 |
6 | 14215524241 |
7 | 2410603012 |
oct | 617274201 |
9 | 237886177 |
10 | 104691841 |
11 | 54106591 |
12 | 2b089681 |
13 | 188c7247 |
14 | dc93009 |
15 | 92cec11 |
hex | 63d7881 |
104691841 has 4 divisors (see below), whose sum is σ = 105081300. Its totient is φ = 104302384.
The previous prime is 104691817. The next prime is 104691869. The reversal of 104691841 is 148196401.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 148196401 = 193 ⋅767857.
It can be written as a sum of positive squares in 2 ways, for example, as 25553025 + 79138816 = 5055^2 + 8896^2 .
It is a cyclic number.
It is not a de Polignac number, because 104691841 - 29 = 104691329 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 104691797 and 104691806.
It is not an unprimeable number, because it can be changed into a prime (104691871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194326 + ... + 194863.
It is an arithmetic number, because the mean of its divisors is an integer number (26270325).
Almost surely, 2104691841 is an apocalyptic number.
It is an amenable number.
104691841 is a deficient number, since it is larger than the sum of its proper divisors (389459).
104691841 is an equidigital number, since it uses as much as digits as its factorization.
104691841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 389458.
The product of its (nonzero) digits is 6912, while the sum is 34.
The square root of 104691841 is about 10231.9030976647. The cubic root of 104691841 is about 471.3074220286.
The spelling of 104691841 in words is "one hundred four million, six hundred ninety-one thousand, eight hundred forty-one".
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