Base | Representation |
---|---|
bin | 100001001101… |
… | …010010111110 |
3 | 121101021022100 |
4 | 201031102332 |
5 | 4212031324 |
6 | 510325530 |
7 | 133664430 |
oct | 41152276 |
9 | 17337270 |
10 | 8705214 |
11 | 4a063a1 |
12 | 2ab98a6 |
13 | 1a5a41b |
14 | 1228650 |
15 | b6e4c9 |
hex | 84d4be |
8705214 has 48 divisors (see below), whose sum is σ = 21939840. Its totient is φ = 2442960.
The previous prime is 8705183. The next prime is 8705219. The reversal of 8705214 is 4125078.
8705214 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is an alternating number because its digits alternate between even and odd.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8705219) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6849 + ... + 8019.
It is an arithmetic number, because the mean of its divisors is an integer number (457080).
Almost surely, 28705214 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8705214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10969920).
8705214 is an abundant number, since it is smaller than the sum of its proper divisors (13234626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8705214 is a wasteful number, since it uses less digits than its factorization.
8705214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1245 (or 1242 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 8705214 is about 2950.4599641412. The cubic root of 8705214 is about 205.7120903370.
It can be divided in two parts, 870 and 5214, that added together give a square (6084 = 782).
The spelling of 8705214 in words is "eight million, seven hundred five thousand, two hundred fourteen".
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