Base | Representation |
---|---|
bin | 11001010101101… |
… | …00101000001001 |
3 | 112210221202210202 |
4 | 30222310220021 |
5 | 413403132301 |
6 | 33031421545 |
7 | 5160443501 |
oct | 1452645011 |
9 | 483852722 |
10 | 212552201 |
11 | a9a86684 |
12 | 5b2248b5 |
13 | 35060744 |
14 | 2032ca01 |
15 | 139d866b |
hex | cab4a09 |
212552201 has 2 divisors, whose sum is σ = 212552202. Its totient is φ = 212552200.
The previous prime is 212552149. The next prime is 212552237. The reversal of 212552201 is 102255212.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 194574601 + 17977600 = 13949^2 + 4240^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-212552201 is a prime.
It is not a weakly prime, because it can be changed into another prime (212552261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106276100 + 106276101.
It is an arithmetic number, because the mean of its divisors is an integer number (106276101).
Almost surely, 2212552201 is an apocalyptic number.
It is an amenable number.
212552201 is a deficient number, since it is larger than the sum of its proper divisors (1).
212552201 is an equidigital number, since it uses as much as digits as its factorization.
212552201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 400, while the sum is 20.
The square root of 212552201 is about 14579.1701066967. The cubic root of 212552201 is about 596.7904555051.
The spelling of 212552201 in words is "two hundred twelve million, five hundred fifty-two thousand, two hundred one".
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