Base | Representation |
---|---|
bin | 1010001100011… |
… | …00101011000010 |
3 | 12221220101211112 |
4 | 11012030223002 |
5 | 133342321400 |
6 | 12252443322 |
7 | 2055554525 |
oct | 506145302 |
9 | 187811745 |
10 | 85510850 |
11 | 442a5627 |
12 | 24779542 |
13 | 1493c849 |
14 | b4dcbbc |
15 | 7791835 |
hex | 518cac2 |
85510850 has 48 divisors (see below), whose sum is σ = 174263400. Its totient is φ = 31073280.
The previous prime is 85510819. The next prime is 85510853. The reversal of 85510850 is 5801558.
It can be written as a sum of positive squares in 12 ways, for example, as 889249 + 84621601 = 943^2 + 9199^2 .
It is not an unprimeable number, because it can be changed into a prime (85510853) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22916 + ... + 26384.
Almost surely, 285510850 is an apocalyptic number.
85510850 is an abundant number, since it is smaller than the sum of its proper divisors (88752550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85510850 is a wasteful number, since it uses less digits than its factorization.
85510850 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3527 (or 3522 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 32.
The square root of 85510850 is about 9247.2076866479. The cubic root of 85510850 is about 440.5620400292.
The spelling of 85510850 in words is "eighty-five million, five hundred ten thousand, eight hundred fifty".
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