Base | Representation |
---|---|
bin | 11000100111000… |
… | …01101001101010 |
3 | 112101110111112010 |
4 | 30103201221222 |
5 | 410322221122 |
6 | 32252500350 |
7 | 5054516640 |
oct | 1423415152 |
9 | 471414463 |
10 | 206445162 |
11 | a6595340 |
12 | 5917a6b6 |
13 | 33a02b01 |
14 | 1d5bd190 |
15 | 131cde0c |
hex | c4e1a6a |
206445162 has 64 divisors (see below), whose sum is σ = 518400000. Its totient is φ = 53244480.
The previous prime is 206445137. The next prime is 206445181. The reversal of 206445162 is 261544602.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 67339 + ... + 70337.
It is an arithmetic number, because the mean of its divisors is an integer number (8100000).
Almost surely, 2206445162 is an apocalyptic number.
206445162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 206445162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259200000).
206445162 is an abundant number, since it is smaller than the sum of its proper divisors (311954838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206445162 is a wasteful number, since it uses less digits than its factorization.
206445162 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3171.
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 206445162 is about 14368.1996784566. The cubic root of 206445162 is about 591.0191730519.
Adding to 206445162 its reverse (261544602), we get a palindrome (467989764).
The spelling of 206445162 in words is "two hundred six million, four hundred forty-five thousand, one hundred sixty-two".
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