Base | Representation |
---|---|
bin | 10100001001000… |
… | …10001110101011 |
3 | 102202221002211120 |
4 | 22010202032223 |
5 | 321223222224 |
6 | 24433230323 |
7 | 4121100330 |
oct | 1204421653 |
9 | 382832746 |
10 | 168960939 |
11 | 87412944 |
12 | 487023a3 |
13 | 2900a3b4 |
14 | 18622987 |
15 | ec77779 |
hex | a1223ab |
168960939 has 16 divisors (see below), whose sum is σ = 271015680. Its totient is φ = 91467360.
The previous prime is 168960929. The next prime is 168960947. The reversal of 168960939 is 939069861.
It is not a de Polignac number, because 168960939 - 24 = 168960923 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 168960891 and 168960900.
It is not an unprimeable number, because it can be changed into a prime (168960919) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211332 + ... + 212129.
It is an arithmetic number, because the mean of its divisors is an integer number (16938480).
Almost surely, 2168960939 is an apocalyptic number.
168960939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
168960939 is a deficient number, since it is larger than the sum of its proper divisors (102054741).
168960939 is a wasteful number, since it uses less digits than its factorization.
168960939 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 423490.
The product of its (nonzero) digits is 629856, while the sum is 51.
The square root of 168960939 is about 12998.4975670267. The cubic root of 168960939 is about 552.8348825290.
The spelling of 168960939 in words is "one hundred sixty-eight million, nine hundred sixty thousand, nine hundred thirty-nine".
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