Base | Representation |
---|---|
bin | 11010101101111… |
… | …10110000000101 |
3 | 120121201212211020 |
4 | 31112332300011 |
5 | 424334044010 |
6 | 34123501353 |
7 | 5361025263 |
oct | 1526766005 |
9 | 517655736 |
10 | 224128005 |
11 | 105572762 |
12 | 63087859 |
13 | 3758462a |
14 | 21aa3433 |
15 | 14a23470 |
hex | d5bec05 |
224128005 has 16 divisors (see below), whose sum is σ = 360467520. Its totient is φ = 118914048.
The previous prime is 224127973. The next prime is 224128013. The reversal of 224128005 is 500821422.
It is not a de Polignac number, because 224128005 - 25 = 224127973 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35815 + ... + 41604.
It is an arithmetic number, because the mean of its divisors is an integer number (22529220).
Almost surely, 2224128005 is an apocalyptic number.
It is an amenable number.
224128005 is a deficient number, since it is larger than the sum of its proper divisors (136339515).
224128005 is a wasteful number, since it uses less digits than its factorization.
224128005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77620.
The product of its (nonzero) digits is 1280, while the sum is 24.
The square root of 224128005 is about 14970.9052832486. The cubic root of 224128005 is about 607.4334564448.
Adding to 224128005 its reverse (500821422), we get a palindrome (724949427).
The spelling of 224128005 in words is "two hundred twenty-four million, one hundred twenty-eight thousand, five".
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