Base | Representation |
---|---|
bin | 1010001010011… |
… | …00111001001000 |
3 | 12221102010110220 |
4 | 11011030321020 |
5 | 133310441413 |
6 | 12243110040 |
7 | 2053416063 |
oct | 505147110 |
9 | 187363426 |
10 | 85249608 |
11 | 44137324 |
12 | 24672320 |
13 | 1487a972 |
14 | b4718da |
15 | 773e223 |
hex | 514ce48 |
85249608 has 32 divisors (see below), whose sum is σ = 213364800. Its totient is φ = 28384448.
The previous prime is 85249579. The next prime is 85249613. The reversal of 85249608 is 80694258.
It is a self number, because there is not a number n which added to its sum of digits gives 85249608.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 30310 + ... + 33002.
It is an arithmetic number, because the mean of its divisors is an integer number (6667650).
Almost surely, 285249608 is an apocalyptic number.
It is an amenable number.
85249608 is an abundant number, since it is smaller than the sum of its proper divisors (128115192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85249608 is a wasteful number, since it uses less digits than its factorization.
85249608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4021 (or 4017 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 42.
The square root of 85249608 is about 9233.0714282951. The cubic root of 85249608 is about 440.1129324443.
The spelling of 85249608 in words is "eighty-five million, two hundred forty-nine thousand, six hundred eight".
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