Base | Representation |
---|---|
bin | 10100001001000… |
… | …11100000010010 |
3 | 102202221101000000 |
4 | 22010203200102 |
5 | 321223404122 |
6 | 24433310430 |
7 | 4121121501 |
oct | 1204434022 |
9 | 382841000 |
10 | 168966162 |
11 | 87416862 |
12 | 48705416 |
13 | 2900c8a1 |
14 | 18624838 |
15 | ec790ac |
hex | a123812 |
168966162 has 84 divisors (see below), whose sum is σ = 404674506. Its totient is φ = 52876800.
The previous prime is 168966139. The next prime is 168966169. The reversal of 168966162 is 261669861.
It can be written as a sum of positive squares in 3 ways, for example, as 158986881 + 9979281 = 12609^2 + 3159^2 .
It is not an unprimeable number, because it can be changed into a prime (168966169) by changing a digit.
It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 421162 + ... + 421562.
Almost surely, 2168966162 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 168966162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202337253).
168966162 is an abundant number, since it is smaller than the sum of its proper divisors (235708344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168966162 is an equidigital number, since it uses as much as digits as its factorization.
168966162 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 455 (or 423 counting only the distinct ones).
The product of its digits is 186624, while the sum is 45.
The square root of 168966162 is about 12998.6984733088. The cubic root of 168966162 is about 552.8405789675.
The spelling of 168966162 in words is "one hundred sixty-eight million, nine hundred sixty-six thousand, one hundred sixty-two".
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