Base | Representation |
---|---|
bin | 11000011111010… |
… | …10010011011011 |
3 | 112022120000202121 |
4 | 30033222103123 |
5 | 410042311102 |
6 | 32215042111 |
7 | 5043100123 |
oct | 1417522333 |
9 | 468500677 |
10 | 205432027 |
11 | a5a63139 |
12 | 58970337 |
13 | 33739918 |
14 | 1d3d7c83 |
15 | 1307db37 |
hex | c3ea4db |
205432027 has 16 divisors (see below), whose sum is σ = 219098880. Its totient is φ = 192276000.
The previous prime is 205432013. The next prime is 205432033. The reversal of 205432027 is 720234502.
It is a cyclic number.
It is not a de Polignac number, because 205432027 - 211 = 205429979 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 205431992 and 205432010.
It is not an unprimeable number, because it can be changed into a prime (205432127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187752 + ... + 188842.
It is an arithmetic number, because the mean of its divisors is an integer number (13693680).
Almost surely, 2205432027 is an apocalyptic number.
205432027 is a deficient number, since it is larger than the sum of its proper divisors (13666853).
205432027 is a wasteful number, since it uses less digits than its factorization.
205432027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1314.
The product of its (nonzero) digits is 3360, while the sum is 25.
The square root of 205432027 is about 14332.9001601211. The cubic root of 205432027 is about 590.0507731849.
Adding to 205432027 its reverse (720234502), we get a palindrome (925666529).
The spelling of 205432027 in words is "two hundred five million, four hundred thirty-two thousand, twenty-seven".
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