Base | Representation |
---|---|
bin | 10100000010011… |
… | …10011100001010 |
3 | 102201022000212100 |
4 | 22001032130022 |
5 | 321012442300 |
6 | 24402454230 |
7 | 4110525240 |
oct | 1201163412 |
9 | 381260770 |
10 | 168093450 |
11 | 86980108 |
12 | 48364376 |
13 | 28a955a5 |
14 | 18478790 |
15 | eb55700 |
hex | a04e70a |
168093450 has 288 divisors, whose sum is σ = 566856576. Its totient is φ = 34836480.
The previous prime is 168093449. The next prime is 168093503. The reversal of 168093450 is 54390861.
It is a Curzon number.
It is an unprimeable number.
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 143 ways as a sum of consecutive naturals, for example, 2302614 + ... + 2302686.
It is an arithmetic number, because the mean of its divisors is an integer number (1968252).
Almost surely, 2168093450 is an apocalyptic number.
168093450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 168093450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283428288).
168093450 is an abundant number, since it is smaller than the sum of its proper divisors (398763126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168093450 is a wasteful number, since it uses less digits than its factorization.
168093450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158 (or 150 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 168093450 is about 12965.0858076605. The cubic root of 168093450 is about 551.8871264170.
The spelling of 168093450 in words is "one hundred sixty-eight million, ninety-three thousand, four hundred fifty".
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