Base | Representation |
---|---|
bin | 11000011100000… |
… | …01010111100100 |
3 | 112021202012011112 |
4 | 30032001113210 |
5 | 404440032322 |
6 | 32201524152 |
7 | 5036330042 |
oct | 1416012744 |
9 | 467665145 |
10 | 205002212 |
11 | a579a218 |
12 | 587a3658 |
13 | 336190ac |
14 | 1d325392 |
15 | 12ee65e2 |
hex | c3815e4 |
205002212 has 24 divisors (see below), whose sum is σ = 365544312. Its totient is φ = 100569600.
The previous prime is 205002211. The next prime is 205002221. The reversal of 205002212 is 212200502.
It can be written as a sum of positive squares in 4 ways, for example, as 7431076 + 197571136 = 2726^2 + 14056^2 .
It is not an unprimeable number, because it can be changed into a prime (205002211) 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, 131228 + ... + 132780.
It is an arithmetic number, because the mean of its divisors is an integer number (15231013).
Almost surely, 2205002212 is an apocalyptic number.
It is an amenable number.
205002212 is a deficient number, since it is larger than the sum of its proper divisors (160542100).
205002212 is a wasteful number, since it uses less digits than its factorization.
205002212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2159 (or 2157 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 14.
The square root of 205002212 is about 14317.8983094587. The cubic root of 205002212 is about 589.6389747646.
Adding to 205002212 its reverse (212200502), we get a palindrome (417202714).
The spelling of 205002212 in words is "two hundred five million, two thousand, two hundred twelve".
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