Base | Representation |
---|---|
bin | 1010011101001011… |
… | …0100011100010110 |
3 | 21020121100120122022 |
4 | 2213102310130112 |
5 | 21222010302340 |
6 | 1142301533142 |
7 | 126360540560 |
oct | 24722643426 |
9 | 7217316568 |
10 | 2806728470 |
11 | 1210363707 |
12 | 663b741b2 |
13 | 3596449a0 |
14 | 1c8a96330 |
15 | 1166183b5 |
hex | a74b4716 |
2806728470 has 32 divisors (see below), whose sum is σ = 6217985088. Its totient is φ = 888283008.
The previous prime is 2806728467. The next prime is 2806728481. The reversal of 2806728470 is 748276082.
2806728470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1541249 + ... + 1543068.
It is an arithmetic number, because the mean of its divisors is an integer number (194312034).
Almost surely, 22806728470 is an apocalyptic number.
2806728470 is an abundant number, since it is smaller than the sum of its proper divisors (3411256618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2806728470 is a wasteful number, since it uses less digits than its factorization.
2806728470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3084344.
The product of its (nonzero) digits is 301056, while the sum is 44.
The square root of 2806728470 is about 52978.5661376372. The cubic root of 2806728470 is about 1410.5878322911.
The spelling of 2806728470 in words is "two billion, eight hundred six million, seven hundred twenty-eight thousand, four hundred seventy".
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