Base | Representation |
---|---|
bin | 10110100101100… |
… | …10000110111011 |
3 | 111012112020101100 |
4 | 23102302012323 |
5 | 342001120321 |
6 | 30445022443 |
7 | 4460332014 |
oct | 1322620673 |
9 | 435466340 |
10 | 189473211 |
11 | 97a53034 |
12 | 53554a23 |
13 | 3033ca35 |
14 | 1b24200b |
15 | 1197a326 |
hex | b4b21bb |
189473211 has 24 divisors (see below), whose sum is σ = 299782080. Its totient is φ = 114782976.
The previous prime is 189473171. The next prime is 189473213. The reversal of 189473211 is 112374981.
It is a happy number.
189473211 is a `hidden beast` number, since 189 + 473 + 2 + 1 + 1 = 666.
It is not a de Polignac number, because 189473211 - 213 = 189465019 is a prime.
It is not an unprimeable number, because it can be changed into a prime (189473213) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16915 + ... + 25788.
It is an arithmetic number, because the mean of its divisors is an integer number (12490920).
Almost surely, 2189473211 is an apocalyptic number.
189473211 is a deficient number, since it is larger than the sum of its proper divisors (110308869).
189473211 is a wasteful number, since it uses less digits than its factorization.
189473211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42755 (or 42752 counting only the distinct ones).
The product of its digits is 12096, while the sum is 36.
The square root of 189473211 is about 13764.9268432491. The cubic root of 189473211 is about 574.3579080814.
The spelling of 189473211 in words is "one hundred eighty-nine million, four hundred seventy-three thousand, two hundred eleven".
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