Base | Representation |
---|---|
bin | 11001010101011… |
… | …11110000101001 |
3 | 112210220202110101 |
4 | 30222233300221 |
5 | 413402013030 |
6 | 33031145401 |
7 | 5160331411 |
oct | 1452576051 |
9 | 483822411 |
10 | 212532265 |
11 | a9a72700 |
12 | 5b215261 |
13 | 3505464a |
14 | 20325641 |
15 | 139d27ca |
hex | caafc29 |
212532265 has 12 divisors (see below), whose sum is σ = 280332612. Its totient is φ = 154568480.
The previous prime is 212532247. The next prime is 212532289. The reversal of 212532265 is 562235212.
It can be written as a sum of positive squares in 2 ways, for example, as 144288144 + 68244121 = 12012^2 + 8261^2 .
It is not a de Polignac number, because 212532265 - 27 = 212532137 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175042 + ... + 176251.
It is an arithmetic number, because the mean of its divisors is an integer number (23361051).
Almost surely, 2212532265 is an apocalyptic number.
It is an amenable number.
212532265 is a deficient number, since it is larger than the sum of its proper divisors (67800347).
212532265 is a wasteful number, since it uses less digits than its factorization.
212532265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351320 (or 351309 counting only the distinct ones).
The product of its digits is 7200, while the sum is 28.
The square root of 212532265 is about 14578.4863754781. The cubic root of 212532265 is about 596.7717965805.
Adding to 212532265 its reverse (562235212), we get a palindrome (774767477).
The spelling of 212532265 in words is "two hundred twelve million, five hundred thirty-two thousand, two hundred sixty-five".
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