Base | Representation |
---|---|
bin | 10100001000111… |
… | …11010110110000 |
3 | 102202220111200121 |
4 | 22010133112300 |
5 | 321222333133 |
6 | 24433100024 |
7 | 4121021113 |
oct | 1204372660 |
9 | 382814617 |
10 | 168949168 |
11 | 87405013 |
12 | 486b7614 |
13 | 29004c2b |
14 | 1861c57a |
15 | ec7402d |
hex | a11f5b0 |
168949168 has 40 divisors (see below), whose sum is σ = 345165408. Its totient is φ = 79951872.
The previous prime is 168949147. The next prime is 168949171. The reversal of 168949168 is 861949861.
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 7 ways as a sum of consecutive naturals, for example, 33330 + ... + 38062.
Almost surely, 2168949168 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 168949168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172582704).
168949168 is an abundant number, since it is smaller than the sum of its proper divisors (176216240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168949168 is a wasteful number, since it uses less digits than its factorization.
168949168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4861 (or 4855 counting only the distinct ones).
The product of its digits is 746496, while the sum is 52.
The square root of 168949168 is about 12998.0447760423. The cubic root of 168949168 is about 552.8220441168.
It can be divided in two parts, 16894 and 9168, that added together give a palindrome (26062).
The spelling of 168949168 in words is "one hundred sixty-eight million, nine hundred forty-nine thousand, one hundred sixty-eight".
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