Base | Representation |
---|---|
bin | 1100100011011… |
… | …01001010000001 |
3 | 21100011000220021 |
4 | 12101231022001 |
5 | 203424222310 |
6 | 14241013441 |
7 | 2416034542 |
oct | 621551201 |
9 | 240130807 |
10 | 105304705 |
11 | 54494a90 |
12 | 2b324281 |
13 | 18a8019c |
14 | ddb24c9 |
15 | 93a15da |
hex | 646d281 |
105304705 has 16 divisors (see below), whose sum is σ = 138055104. Its totient is φ = 76473280.
The previous prime is 105304699. The next prime is 105304723. The reversal of 105304705 is 507403501.
It is not a de Polignac number, because 105304705 - 23 = 105304697 is a prime.
It is a super-2 number, since 2×1053047052 = 22178161790274050, 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 105304705.
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 15 ways as a sum of consecutive naturals, for example, 64479 + ... + 66091.
It is an arithmetic number, because the mean of its divisors is an integer number (8628444).
Almost surely, 2105304705 is an apocalyptic number.
It is an amenable number.
105304705 is a deficient number, since it is larger than the sum of its proper divisors (32750399).
105304705 is a wasteful number, since it uses less digits than its factorization.
105304705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2816.
The product of its (nonzero) digits is 2100, while the sum is 25.
The square root of 105304705 is about 10261.8080765526. The cubic root of 105304705 is about 472.2253080818.
The spelling of 105304705 in words is "one hundred five million, three hundred four thousand, seven hundred five".
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