Base | Representation |
---|---|
bin | 11010010001001… |
… | …01101010000101 |
3 | 120100122012111220 |
4 | 31020211222011 |
5 | 422402331310 |
6 | 33510550553 |
7 | 5313663000 |
oct | 1510455205 |
9 | 510565456 |
10 | 220355205 |
11 | 103426144 |
12 | 61968459 |
13 | 368632c5 |
14 | 213a0537 |
15 | 1452a670 |
hex | d225a85 |
220355205 has 32 divisors (see below), whose sum is σ = 411168000. Its totient is φ = 100731456.
The previous prime is 220355167. The next prime is 220355209. The reversal of 220355205 is 502553022.
It is not a de Polignac number, because 220355205 - 27 = 220355077 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220355209) 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, 16270 + ... + 26559.
It is an arithmetic number, because the mean of its divisors is an integer number (12849000).
Almost surely, 2220355205 is an apocalyptic number.
It is an amenable number.
220355205 is a deficient number, since it is larger than the sum of its proper divisors (190812795).
220355205 is an equidigital number, since it uses as much as digits as its factorization.
220355205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42858 (or 42844 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 24.
The square root of 220355205 is about 14844.3661030035. The cubic root of 220355205 is about 604.0057937327.
The spelling of 220355205 in words is "two hundred twenty million, three hundred fifty-five thousand, two hundred five".
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