Base | Representation |
---|---|
bin | 1010001010000… |
… | …10111100110110 |
3 | 12221100001121200 |
4 | 11011002330312 |
5 | 133303141021 |
6 | 12242153330 |
7 | 2053156260 |
oct | 505027466 |
9 | 187301550 |
10 | 85208886 |
11 | 44109774 |
12 | 24652846 |
13 | 14865279 |
14 | b460b30 |
15 | 7732126 |
hex | 5142f36 |
85208886 has 48 divisors (see below), whose sum is σ = 215913984. Its totient is φ = 23777712.
The previous prime is 85208869. The next prime is 85208899. The reversal of 85208886 is 68880258.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2446 + ... + 13281.
It is an arithmetic number, because the mean of its divisors is an integer number (4498208).
Almost surely, 285208886 is an apocalyptic number.
85208886 is a gapful number since it is divisible by the number (86) formed by its first and last digit.
85208886 is an abundant number, since it is smaller than the sum of its proper divisors (130705098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85208886 is a wasteful number, since it uses less digits than its factorization.
85208886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15785 (or 15782 counting only the distinct ones).
The product of its (nonzero) digits is 245760, while the sum is 45.
The square root of 85208886 is about 9230.8659398780. The cubic root of 85208886 is about 440.0428436242.
The spelling of 85208886 in words is "eighty-five million, two hundred eight thousand, eight hundred eighty-six".
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