Base | Representation |
---|---|
bin | 11010010010101… |
… | …11001010110101 |
3 | 120101000111201000 |
4 | 31021113022311 |
5 | 422430324010 |
6 | 33515153513 |
7 | 5315466153 |
oct | 1511271265 |
9 | 511014630 |
10 | 220558005 |
11 | 103554548 |
12 | 61a45899 |
13 | 369046c5 |
14 | 214143d3 |
15 | 1456a7c0 |
hex | d2572b5 |
220558005 has 32 divisors (see below), whose sum is σ = 398545920. Its totient is φ = 115698240.
The previous prime is 220558003. The next prime is 220558027. The reversal of 220558005 is 500855022.
It is not a de Polignac number, because 220558005 - 21 = 220558003 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 220558005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220558001) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5157 + ... + 21626.
It is an arithmetic number, because the mean of its divisors is an integer number (12454560).
Almost surely, 2220558005 is an apocalyptic number.
It is an amenable number.
220558005 is a deficient number, since it is larger than the sum of its proper divisors (177987915).
220558005 is a wasteful number, since it uses less digits than its factorization.
220558005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26858 (or 26852 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The square root of 220558005 is about 14851.1954064311. The cubic root of 220558005 is about 604.1910322529.
The spelling of 220558005 in words is "two hundred twenty million, five hundred fifty-eight thousand, five".
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