Base | Representation |
---|---|
bin | 10010100101011111101000 |
3 | 100011112100200 |
4 | 102211133220 |
5 | 2221402133 |
6 | 252232200 |
7 | 56261400 |
oct | 22453750 |
9 | 10145320 |
10 | 4872168 |
11 | 2828594 |
12 | 176b660 |
13 | 1017852 |
14 | 90b800 |
15 | 663913 |
hex | 4a57e8 |
4872168 has 72 divisors (see below), whose sum is σ = 15360930. Its totient is φ = 1391040.
The previous prime is 4872163. The next prime is 4872169. The reversal of 4872168 is 8612784.
It can be written as a sum of positive squares in only one way, i.e., 4235364 + 636804 = 2058^2 + 798^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (4872163) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2838 + ... + 4218.
Almost surely, 24872168 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 4872168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7680465).
4872168 is an abundant number, since it is smaller than the sum of its proper divisors (10488762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4872168 is a wasteful number, since it uses less digits than its factorization.
4872168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1407 (or 1393 counting only the distinct ones).
The product of its digits is 21504, while the sum is 36.
The square root of 4872168 is about 2207.2988017031. The cubic root of 4872168 is about 169.5277319076.
The spelling of 4872168 in words is "four million, eight hundred seventy-two thousand, one hundred sixty-eight".
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