Base | Representation |
---|---|
bin | 1100100000111… |
… | …00001000111111 |
3 | 21022112011200211 |
4 | 12100130020333 |
5 | 203333112423 |
6 | 14225533251 |
7 | 2413153222 |
oct | 620341077 |
9 | 238464624 |
10 | 104972863 |
11 | 54288736 |
12 | 2b1a4227 |
13 | 18995128 |
14 | dd275b9 |
15 | 933810d |
hex | 641c23f |
104972863 has 4 divisors (see below), whose sum is σ = 105412320. Its totient is φ = 104533408.
The previous prime is 104972843. The next prime is 104972867. The reversal of 104972863 is 368279401.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368279401 = 7 ⋅52611343.
It is a cyclic number.
It is not a de Polignac number, because 104972863 - 25 = 104972831 is a prime.
It is a super-2 number, since 2×1049728632 = 22038603932833538, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (104972867) 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, 219370 + ... + 219847.
It is an arithmetic number, because the mean of its divisors is an integer number (26353080).
Almost surely, 2104972863 is an apocalyptic number.
104972863 is a deficient number, since it is larger than the sum of its proper divisors (439457).
104972863 is an equidigital number, since it uses as much as digits as its factorization.
104972863 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 439456.
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 104972863 is about 10245.6265303787. The cubic root of 104972863 is about 471.7287519706.
The spelling of 104972863 in words is "one hundred four million, nine hundred seventy-two thousand, eight hundred sixty-three".
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