Base | Representation |
---|---|
bin | 110011010000110… |
… | …100011100101010 |
3 | 2012221022220220000 |
4 | 303100310130222 |
5 | 3230133002041 |
6 | 221201443430 |
7 | 30212165040 |
oct | 6320643452 |
9 | 2187286800 |
10 | 860047146 |
11 | 401524172 |
12 | 200040576 |
13 | 10924844a |
14 | 8231a390 |
15 | 50788bb6 |
hex | 3343472a |
860047146 has 80 divisors (see below), whose sum is σ = 2211105600. Its totient is φ = 244762560.
The previous prime is 860047127. The next prime is 860047147. The reversal of 860047146 is 641740068.
860047146 is a `hidden beast` number, since 8 + 600 + 4 + 7 + 1 + 46 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 860047146.
It is not an unprimeable number, because it can be changed into a prime (860047147) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 317305 + ... + 320003.
It is an arithmetic number, because the mean of its divisors is an integer number (27638820).
Almost surely, 2860047146 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 860047146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105552800).
860047146 is an abundant number, since it is smaller than the sum of its proper divisors (1351058454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
860047146 is a wasteful number, since it uses less digits than its factorization.
860047146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3001 (or 2992 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 860047146 is about 29326.5604188422. The cubic root of 860047146 is about 950.9859186483.
The spelling of 860047146 in words is "eight hundred sixty million, forty-seven thousand, one hundred forty-six".
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