Base | Representation |
---|---|
bin | 10011111010010… |
… | …10100000100000 |
3 | 102122021221101200 |
4 | 21331022200200 |
5 | 320224410033 |
6 | 24324001200 |
7 | 4065502224 |
oct | 1175124040 |
9 | 378257350 |
10 | 167028768 |
11 | 86313205 |
12 | 47b30200 |
13 | 287b1aba |
14 | 1827c784 |
15 | e9e5013 |
hex | 9f4a820 |
167028768 has 36 divisors (see below), whose sum is σ = 474988878. Its totient is φ = 55676160.
The previous prime is 167028761. The next prime is 167028769. The reversal of 167028768 is 867820761.
It can be written as a sum of positive squares in only one way, i.e., 164557584 + 2471184 = 12828^2 + 1572^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (167028761) 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 in 5 ways as a sum of consecutive naturals, for example, 289693 + ... + 290268.
Almost surely, 2167028768 is an apocalyptic number.
167028768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
167028768 is an abundant number, since it is smaller than the sum of its proper divisors (307960110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
167028768 is a wasteful number, since it uses less digits than its factorization.
167028768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 579977 (or 579966 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 45.
The square root of 167028768 is about 12923.9610027267. The cubic root of 167028768 is about 550.7194639567.
The spelling of 167028768 in words is "one hundred sixty-seven million, twenty-eight thousand, seven hundred sixty-eight".
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