Base | Representation |
---|---|
bin | 11000011111100… |
… | …10101001110001 |
3 | 112022121202200012 |
4 | 30033302221301 |
5 | 410044404400 |
6 | 32215504305 |
7 | 5043301616 |
oct | 1417625161 |
9 | 468552605 |
10 | 205466225 |
11 | a5a868a8 |
12 | 58988095 |
13 | 3374c363 |
14 | 1d40650d |
15 | 13088d35 |
hex | c3f2a71 |
205466225 has 12 divisors (see below), whose sum is σ = 254995584. Its totient is φ = 164232720.
The previous prime is 205466221. The next prime is 205466231. The reversal of 205466225 is 522664502.
It is not a de Polignac number, because 205466225 - 22 = 205466221 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 205466191 and 205466200.
It is not an unprimeable number, because it can be changed into a prime (205466221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34412 + ... + 39938.
It is an arithmetic number, because the mean of its divisors is an integer number (21249632).
Almost surely, 2205466225 is an apocalyptic number.
205466225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
205466225 is a deficient number, since it is larger than the sum of its proper divisors (49529359).
205466225 is a wasteful number, since it uses less digits than its factorization.
205466225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7024 (or 7019 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 32.
The square root of 205466225 is about 14334.0931000186. The cubic root of 205466225 is about 590.0835130276.
The spelling of 205466225 in words is "two hundred five million, four hundred sixty-six thousand, two hundred twenty-five".
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