Base | Representation |
---|---|
bin | 1100100010001… |
… | …10110000011010 |
3 | 21022212001010211 |
4 | 12101012300122 |
5 | 203404204133 |
6 | 14233401334 |
7 | 2414511145 |
oct | 621066032 |
9 | 238761124 |
10 | 105147418 |
11 | 543978a2 |
12 | 2b26924a |
13 | 18a2670c |
14 | dd7105c |
15 | 936ebcd |
hex | 6446c1a |
105147418 has 16 divisors (see below), whose sum is σ = 159906600. Its totient is φ = 51849216.
The previous prime is 105147409. The next prime is 105147437. The reversal of 105147418 is 814741501.
It can be written as a sum of positive squares in 4 ways, for example, as 78552769 + 26594649 = 8863^2 + 5157^2 .
It is a super-2 number, since 2×1051474182 = 22111959024133448, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 105147418.
It is an unprimeable number.
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 in 7 ways as a sum of consecutive naturals, for example, 66930 + ... + 68482.
Almost surely, 2105147418 is an apocalyptic number.
105147418 is a deficient number, since it is larger than the sum of its proper divisors (54759182).
105147418 is a wasteful number, since it uses less digits than its factorization.
105147418 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2001.
The product of its (nonzero) digits is 4480, while the sum is 31.
The square root of 105147418 is about 10254.1415047775. The cubic root of 105147418 is about 471.9900798691.
Adding to 105147418 its reverse (814741501), we get a palindrome (919888919).
The spelling of 105147418 in words is "one hundred five million, one hundred forty-seven thousand, four hundred eighteen".
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