Base | Representation |
---|---|
bin | 1001101010110… |
… | …00111111110011 |
3 | 12122121112222120 |
4 | 10311120333303 |
5 | 131230324013 |
6 | 12014205323 |
7 | 2003244246 |
oct | 465307763 |
9 | 178545876 |
10 | 81104883 |
11 | 41866332 |
12 | 231b3843 |
13 | 13a59272 |
14 | aab325d |
15 | 71c1123 |
hex | 4d58ff3 |
81104883 has 8 divisors (see below), whose sum is σ = 108385728. Its totient is φ = 53946984.
The previous prime is 81104879. The next prime is 81104911. The reversal of 81104883 is 38840118.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 81104883 - 22 = 81104879 is a prime.
It is not an unprimeable number, because it can be changed into a prime (81104843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29185 + ... + 31842.
It is an arithmetic number, because the mean of its divisors is an integer number (13548216).
Almost surely, 281104883 is an apocalyptic number.
81104883 is a deficient number, since it is larger than the sum of its proper divisors (27280845).
81104883 is a wasteful number, since it uses less digits than its factorization.
81104883 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61473.
The product of its (nonzero) digits is 6144, while the sum is 33.
The square root of 81104883 is about 9005.8249483321. The cubic root of 81104883 is about 432.8615404983.
The spelling of 81104883 in words is "eighty-one million, one hundred four thousand, eight hundred eighty-three".
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