Base | Representation |
---|---|
bin | 10100001000001… |
… | …10000011011010 |
3 | 102202201020112011 |
4 | 22010012003122 |
5 | 321211024110 |
6 | 24430540134 |
7 | 4120110010 |
oct | 1204060332 |
9 | 382636464 |
10 | 168845530 |
11 | 87344167 |
12 | 4866764a |
13 | 28c999c9 |
14 | 185d28b0 |
15 | ec5348a |
hex | a1060da |
168845530 has 128 divisors (see below), whose sum is σ = 398131200. Its totient is φ = 50181120.
The previous prime is 168845519. The next prime is 168845539. The reversal of 168845530 is 35548861.
168845530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (168845539) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 848371 + ... + 848569.
It is an arithmetic number, because the mean of its divisors is an integer number (3110400).
Almost surely, 2168845530 is an apocalyptic number.
168845530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
168845530 is an abundant number, since it is smaller than the sum of its proper divisors (229285670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168845530 is a wasteful number, since it uses less digits than its factorization.
168845530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284.
The product of its (nonzero) digits is 115200, while the sum is 40.
The square root of 168845530 is about 12994.0574879442. The cubic root of 168845530 is about 552.7089823188.
The spelling of 168845530 in words is "one hundred sixty-eight million, eight hundred forty-five thousand, five hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •