Base | Representation |
---|---|
bin | 11001010100110… |
… | …00000001101111 |
3 | 112210201211010000 |
4 | 30222120001233 |
5 | 413340410210 |
6 | 33025115343 |
7 | 5156445120 |
oct | 1452300157 |
9 | 483654100 |
10 | 212435055 |
11 | a9a06668 |
12 | 5b188b53 |
13 | 3501c321 |
14 | 202dc047 |
15 | 139b3ac0 |
hex | ca9806f |
212435055 has 40 divisors (see below), whose sum is σ = 435216672. Its totient is φ = 97111872.
The previous prime is 212435039. The next prime is 212435057. The reversal of 212435055 is 550534212.
It is a happy number.
It is not a de Polignac number, because 212435055 - 24 = 212435039 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212435057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34632 + ... + 40301.
Almost surely, 2212435055 is an apocalyptic number.
212435055 is an abundant number, since it is smaller than the sum of its proper divisors (222781617).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212435055 is an equidigital number, since it uses as much as digits as its factorization.
212435055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74957 (or 74948 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 212435055 is about 14575.1519717635. The cubic root of 212435055 is about 596.6807970118.
Adding to 212435055 its reverse (550534212), we get a palindrome (762969267).
The spelling of 212435055 in words is "two hundred twelve million, four hundred thirty-five thousand, fifty-five".
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