Base | Representation |
---|---|
bin | 1010001100001… |
… | …10111010110011 |
3 | 12221212012111200 |
4 | 11012012322303 |
5 | 133341043113 |
6 | 12252142243 |
7 | 2055426030 |
oct | 506067263 |
9 | 187765450 |
10 | 85487283 |
11 | 44289952 |
12 | 24767983 |
13 | 14931bbb |
14 | b4d4387 |
15 | 7789873 |
hex | 5186eb3 |
85487283 has 48 divisors (see below), whose sum is σ = 145516800. Its totient is φ = 47355840.
The previous prime is 85487263. The next prime is 85487287. The reversal of 85487283 is 38278458.
It is not a de Polignac number, because 85487283 - 214 = 85470899 is a prime.
It is not an unprimeable number, because it can be changed into a prime (85487287) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 405048 + ... + 405258.
It is an arithmetic number, because the mean of its divisors is an integer number (3031600).
Almost surely, 285487283 is an apocalyptic number.
85487283 is a deficient number, since it is larger than the sum of its proper divisors (60029517).
85487283 is a wasteful number, since it uses less digits than its factorization.
85487283 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392 (or 389 counting only the distinct ones).
The product of its digits is 430080, while the sum is 45.
The square root of 85487283 is about 9245.9333222774. The cubic root of 85487283 is about 440.5215629842.
The spelling of 85487283 in words is "eighty-five million, four hundred eighty-seven thousand, two hundred eighty-three".
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