Base | Representation |
---|---|
bin | 1010001100000… |
… | …01111011100001 |
3 | 12221211011110212 |
4 | 11012001323201 |
5 | 133334414344 |
6 | 12251503505 |
7 | 2055312326 |
oct | 506017341 |
9 | 187734425 |
10 | 85466849 |
11 | 44275566 |
12 | 24757b95 |
13 | 14925800 |
14 | b4cab4d |
15 | 778379e |
hex | 5181ee1 |
85466849 has 12 divisors (see below), whose sum is σ = 92925936. Its totient is φ = 78569712.
The previous prime is 85466819. The next prime is 85466891. The reversal of 85466849 is 94866458.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-85466849 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 85466797 and 85466806.
It is not an unprimeable number, because it can be changed into a prime (85466819) 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, 46934 + ... + 48720.
It is an arithmetic number, because the mean of its divisors is an integer number (7743828).
Almost surely, 285466849 is an apocalyptic number.
It is an amenable number.
85466849 is a deficient number, since it is larger than the sum of its proper divisors (7459087).
85466849 is a wasteful number, since it uses less digits than its factorization.
85466849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2096 (or 2083 counting only the distinct ones).
The product of its digits is 1658880, while the sum is 50.
The square root of 85466849 is about 9244.8282298807. The cubic root of 85466849 is about 440.4864609409.
The spelling of 85466849 in words is "eighty-five million, four hundred sixty-six thousand, eight hundred forty-nine".
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