Base | Representation |
---|---|
bin | 1011111011011111… |
… | …10001110110000110 |
3 | 121112100110122012120 |
4 | 11331233301312012 |
5 | 101104042103410 |
6 | 2535305430410 |
7 | 314466402105 |
oct | 57557616606 |
9 | 17470418176 |
10 | 6404644230 |
11 | 2797289006 |
12 | 12a8a9b406 |
13 | 7b0b7521a |
14 | 44a86203c |
15 | 277417570 |
hex | 17dbf1d86 |
6404644230 has 16 divisors (see below), whose sum is σ = 15371146224. Its totient is φ = 1707905120.
The previous prime is 6404644217. The next prime is 6404644231. The reversal of 6404644230 is 324464046.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 6404644191 and 6404644200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6404644231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106744041 + ... + 106744100.
It is an arithmetic number, because the mean of its divisors is an integer number (960696639).
Almost surely, 26404644230 is an apocalyptic number.
6404644230 is an abundant number, since it is smaller than the sum of its proper divisors (8966501994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6404644230 is a wasteful number, since it uses less digits than its factorization.
6404644230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 213488151.
The product of its (nonzero) digits is 55296, while the sum is 33.
The square root of 6404644230 is about 80029.0211735718. The cubic root of 6404644230 is about 1857.0845208190.
The spelling of 6404644230 in words is "six billion, four hundred four million, six hundred forty-four thousand, two hundred thirty".
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