Base | Representation |
---|---|
bin | 1010001110100… |
… | …11111111111101 |
3 | 12222110020121002 |
4 | 11013103333331 |
5 | 133431144010 |
6 | 12303020045 |
7 | 2061212351 |
oct | 507237775 |
9 | 188406532 |
10 | 85803005 |
11 | 44485082 |
12 | 2489a625 |
13 | 14a12812 |
14 | b577461 |
15 | 77ed1a5 |
hex | 51d3ffd |
85803005 has 8 divisors (see below), whose sum is σ = 103013592. Its totient is φ = 68609088.
The previous prime is 85802987. The next prime is 85803013. The reversal of 85803005 is 50030858.
It can be written as a sum of positive squares in 4 ways, for example, as 683929 + 85119076 = 827^2 + 9226^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85803005 - 214 = 85786621 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 16367 + ... + 20963.
It is an arithmetic number, because the mean of its divisors is an integer number (12876699).
Almost surely, 285803005 is an apocalyptic number.
It is an amenable number.
85803005 is a deficient number, since it is larger than the sum of its proper divisors (17210587).
85803005 is a wasteful number, since it uses less digits than its factorization.
85803005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8335.
The product of its (nonzero) digits is 4800, while the sum is 29.
The square root of 85803005 is about 9262.9911475721. The cubic root of 85803005 is about 441.0632087692.
The spelling of 85803005 in words is "eighty-five million, eight hundred three thousand, five".
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