Base | Representation |
---|---|
bin | 10100000101000… |
… | …11010011011001 |
3 | 102201221200200101 |
4 | 22002203103121 |
5 | 321110103144 |
6 | 24414135401 |
7 | 4113503530 |
oct | 1202432331 |
9 | 381850611 |
10 | 168441049 |
11 | 87098287 |
12 | 484b1561 |
13 | 28b8787a |
14 | 18529317 |
15 | ebc36d4 |
hex | a0a34d9 |
168441049 has 24 divisors (see below), whose sum is σ = 208484928. Its totient is φ = 133236480.
The previous prime is 168441001. The next prime is 168441067. The reversal of 168441049 is 940144861.
It is not a de Polignac number, because 168441049 - 211 = 168439001 is a prime.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 168440999 and 168441017.
It is not an unprimeable number, because it can be changed into a prime (168441349) 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, 106434 + ... + 108004.
It is an arithmetic number, because the mean of its divisors is an integer number (8686872).
Almost surely, 2168441049 is an apocalyptic number.
It is an amenable number.
168441049 is a deficient number, since it is larger than the sum of its proper divisors (40043879).
168441049 is a wasteful number, since it uses less digits than its factorization.
168441049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1665 (or 1648 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 168441049 is about 12978.4840794293. The cubic root of 168441049 is about 552.2672787139.
The spelling of 168441049 in words is "one hundred sixty-eight million, four hundred forty-one thousand, forty-nine".
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