Base | Representation |
---|---|
bin | 1010001110111… |
… | …11000011100010 |
3 | 12222112112201022 |
4 | 11013133003202 |
5 | 133434121130 |
6 | 12304005442 |
7 | 2061461363 |
oct | 507370342 |
9 | 188475638 |
10 | 85848290 |
11 | 44506100 |
12 | 24900882 |
13 | 14a2a308 |
14 | b589b6a |
15 | 780b7e5 |
hex | 51df0e2 |
85848290 has 24 divisors (see below), whose sum is σ = 169854300. Its totient is φ = 31217120.
The previous prime is 85848281. The next prime is 85848293. The reversal of 85848290 is 9284858.
It can be written as a sum of positive squares in 2 ways, for example, as 85581001 + 267289 = 9251^2 + 517^2 .
It is not an unprimeable number, because it can be changed into a prime (85848293) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34265 + ... + 36684.
Almost surely, 285848290 is an apocalyptic number.
85848290 is a deficient number, since it is larger than the sum of its proper divisors (84006010).
85848290 is a wasteful number, since it uses less digits than its factorization.
85848290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70978 (or 70967 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 44.
The square root of 85848290 is about 9265.4352299285. The cubic root of 85848290 is about 441.1407897139.
The spelling of 85848290 in words is "eighty-five million, eight hundred forty-eight thousand, two hundred ninety".
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