Base | Representation |
---|---|
bin | 1010001110010… |
… | …01000010000100 |
3 | 12222100221222100 |
4 | 11013021002010 |
5 | 133423224314 |
6 | 12302032100 |
7 | 2060634366 |
oct | 507110204 |
9 | 188327870 |
10 | 85758084 |
11 | 44454355 |
12 | 24878630 |
13 | 149c8239 |
14 | b564d36 |
15 | 77dec09 |
hex | 51c9084 |
85758084 has 18 divisors (see below), whose sum is σ = 216777470. Its totient is φ = 28586016.
The previous prime is 85758083. The next prime is 85758089. The reversal of 85758084 is 48085758.
It can be written as a sum of positive squares in only one way, i.e., 69355584 + 16402500 = 8328^2 + 4050^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is not an unprimeable number, because it can be changed into a prime (85758083) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1191049 + ... + 1191120.
Almost surely, 285758084 is an apocalyptic number.
It is an amenable number.
85758084 is an abundant number, since it is smaller than the sum of its proper divisors (131019386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85758084 is a wasteful number, since it uses less digits than its factorization.
85758084 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2382179 (or 2382174 counting only the distinct ones).
The product of its (nonzero) digits is 358400, while the sum is 45.
The square root of 85758084 is about 9260.5660734104. The cubic root of 85758084 is about 440.9862244451.
The spelling of 85758084 in words is "eighty-five million, seven hundred fifty-eight thousand, eighty-four".
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