Base | Representation |
---|---|
bin | 1000001111100001011010 |
3 | 11001202222001 |
4 | 20033201122 |
5 | 1023120410 |
6 | 114151214 |
7 | 24236335 |
oct | 10174132 |
9 | 4052861 |
10 | 2160730 |
11 | 1246430 |
12 | 88250a |
13 | 5a8650 |
14 | 40361c |
15 | 2ca33a |
hex | 20f85a |
2160730 has 32 divisors (see below), whose sum is σ = 4572288. Its totient is φ = 724800.
The previous prime is 2160721. The next prime is 2160733. The reversal of 2160730 is 370612.
It is a junction number, because it is equal to n+sod(n) for n = 2160698 and 2160707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2160733) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675 + ... + 2185.
It is an arithmetic number, because the mean of its divisors is an integer number (142884).
22160730 is an apocalyptic number.
2160730 is an abundant number, since it is smaller than the sum of its proper divisors (2411558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2160730 is a wasteful number, since it uses less digits than its factorization.
2160730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1542.
The product of its (nonzero) digits is 252, while the sum is 19.
The square root of 2160730 is about 1469.9421757335. The cubic root of 2160730 is about 129.2806421443.
The spelling of 2160730 in words is "two million, one hundred sixty thousand, seven hundred thirty".
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