Base | Representation |
---|---|
bin | 1010001010001… |
… | …00010001010000 |
3 | 12221100100000202 |
4 | 11011010101100 |
5 | 133303324123 |
6 | 12242234332 |
7 | 2053211105 |
oct | 505042120 |
9 | 187310022 |
10 | 85214288 |
11 | 44112835 |
12 | 246559a8 |
13 | 14867873 |
14 | b462aac |
15 | 7733a28 |
hex | 5144450 |
85214288 has 20 divisors (see below), whose sum is σ = 170429568. Its totient is φ = 41232480.
The previous prime is 85214279. The next prime is 85214291. The reversal of 85214288 is 88241258.
85214288 is an admirable number.
It is a super-2 number, since 2×852142882 = 14522949758693888, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85406 + ... + 86397.
Almost surely, 285214288 is an apocalyptic number.
It is an amenable number.
85214288 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85214288 is a wasteful number, since it uses less digits than its factorization.
85214288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171842 (or 171836 counting only the distinct ones).
The product of its digits is 40960, while the sum is 38.
The square root of 85214288 is about 9231.1585405083. The cubic root of 85214288 is about 440.0521425809.
The spelling of 85214288 in words is "eighty-five million, two hundred fourteen thousand, two hundred eighty-eight".
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