Base | Representation |
---|---|
bin | 111010101110111… |
… | …100111110001100 |
3 | 2112200011211200211 |
4 | 322232330332030 |
5 | 4004224340032 |
6 | 241440132204 |
7 | 33263436040 |
oct | 7256747614 |
9 | 2480154624 |
10 | 985386892 |
11 | 466252836 |
12 | 236007064 |
13 | 1291c1989 |
14 | 94c26020 |
15 | 5b796747 |
hex | 3abbcf8c |
985386892 has 48 divisors (see below), whose sum is σ = 2081399040. Its totient is φ = 398751552.
The previous prime is 985386881. The next prime is 985386893. The reversal of 985386892 is 298683589.
It is not an unprimeable number, because it can be changed into a prime (985386893) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165723 + ... + 171565.
It is an arithmetic number, because the mean of its divisors is an integer number (43362480).
Almost surely, 2985386892 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 985386892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040699520).
985386892 is an abundant number, since it is smaller than the sum of its proper divisors (1096012148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
985386892 is a wasteful number, since it uses less digits than its factorization.
985386892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6190 (or 6188 counting only the distinct ones).
The product of its digits is 7464960, while the sum is 58.
The square root of 985386892 is about 31390.8727498934. The cubic root of 985386892 is about 995.1050424863.
The spelling of 985386892 in words is "nine hundred eighty-five million, three hundred eighty-six thousand, eight hundred ninety-two".
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