Base | Representation |
---|---|
bin | 1010001000100… |
… | …11110101111000 |
3 | 12220222020221002 |
4 | 11010103311320 |
5 | 133231002203 |
6 | 12234104132 |
7 | 2051423564 |
oct | 504236570 |
9 | 186866832 |
10 | 85015928 |
11 | 43a977a8 |
12 | 2457b048 |
13 | 147c84aa |
14 | b4106a4 |
15 | 76e4d88 |
hex | 5113d78 |
85015928 has 8 divisors (see below), whose sum is σ = 159404880. Its totient is φ = 42507960.
The previous prime is 85015877. The next prime is 85015933. The reversal of 85015928 is 82951058.
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 85015891 and 85015900.
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 as a sum of consecutive naturals, namely, 5313488 + ... + 5313503.
It is an arithmetic number, because the mean of its divisors is an integer number (19925610).
Almost surely, 285015928 is an apocalyptic number.
It is an amenable number.
85015928 is a deficient number, since it is larger than the sum of its proper divisors (74388952).
85015928 is a wasteful number, since it uses less digits than its factorization.
85015928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10626997 (or 10626993 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 38.
The square root of 85015928 is about 9220.4082339124. The cubic root of 85015928 is about 439.7104293056.
The spelling of 85015928 in words is "eighty-five million, fifteen thousand, nine hundred twenty-eight".
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