Base | Representation |
---|---|
bin | 1100100011011… |
… | …00100001011001 |
3 | 21100010220022222 |
4 | 12101230201121 |
5 | 203424131410 |
6 | 14240553425 |
7 | 2416024136 |
oct | 621544131 |
9 | 240126288 |
10 | 105302105 |
11 | 54493037 |
12 | 2b322875 |
13 | 18a7bc4c |
14 | ddb158d |
15 | 93a0955 |
hex | 646c859 |
105302105 has 4 divisors (see below), whose sum is σ = 126362532. Its totient is φ = 84241680.
The previous prime is 105302077. The next prime is 105302129. The reversal of 105302105 is 501203501.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501203501 = 19841 ⋅25261.
It can be written as a sum of positive squares in 2 ways, for example, as 62425801 + 42876304 = 7901^2 + 6548^2 .
It is not a de Polignac number, because 105302105 - 210 = 105301081 is a prime.
It is a super-2 number, since 2×1053021052 = 22177066634862050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10530206 + ... + 10530215.
It is an arithmetic number, because the mean of its divisors is an integer number (31590633).
Almost surely, 2105302105 is an apocalyptic number.
It is an amenable number.
105302105 is a deficient number, since it is larger than the sum of its proper divisors (21060427).
105302105 is an equidigital number, since it uses as much as digits as its factorization.
105302105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21060426.
The product of its (nonzero) digits is 150, while the sum is 17.
The square root of 105302105 is about 10261.6813924425. The cubic root of 105302105 is about 472.2214215955.
Adding to 105302105 its reverse (501203501), we get a palindrome (606505606).
The spelling of 105302105 in words is "one hundred five million, three hundred two thousand, one hundred five".
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