Base | Representation |
---|---|
bin | 11001001010001… |
… | …01011010001000 |
3 | 112201010100112021 |
4 | 30211011122020 |
5 | 413012014242 |
6 | 32535254224 |
7 | 5141610334 |
oct | 1445053210 |
9 | 481110467 |
10 | 211048072 |
11 | a91495a4 |
12 | 5a81a374 |
13 | 34954c21 |
14 | 2005a7c4 |
15 | 137dcb67 |
hex | c945688 |
211048072 has 8 divisors (see below), whose sum is σ = 395715150. Its totient is φ = 105524032.
The previous prime is 211048049. The next prime is 211048073. The reversal of 211048072 is 270840112.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 210656196 + 391876 = 14514^2 + 626^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (211048073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13190497 + ... + 13190512.
Almost surely, 2211048072 is an apocalyptic number.
It is an amenable number.
211048072 is a deficient number, since it is larger than the sum of its proper divisors (184667078).
211048072 is a wasteful number, since it uses less digits than its factorization.
211048072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26381015 (or 26381011 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 25.
The square root of 211048072 is about 14527.4936585772. The cubic root of 211048072 is about 595.3793894207.
Adding to 211048072 its reverse (270840112), we get a palindrome (481888184).
The spelling of 211048072 in words is "two hundred eleven million, forty-eight thousand, seventy-two".
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