Base | Representation |
---|---|
bin | 1010001110100… |
… | …00100110011101 |
3 | 12222102112111112 |
4 | 11013100212131 |
5 | 133430222320 |
6 | 12302431405 |
7 | 2061123644 |
oct | 507204635 |
9 | 188375445 |
10 | 85789085 |
11 | 44475678 |
12 | 24892565 |
13 | 14a09395 |
14 | b57235b |
15 | 77e8ec5 |
hex | 51d099d |
85789085 has 16 divisors (see below), whose sum is σ = 110890560. Its totient is φ = 63504000.
The previous prime is 85789073. The next prime is 85789091. The reversal of 85789085 is 58098758.
It is not a de Polignac number, because 85789085 - 216 = 85723549 is a prime.
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 in 15 ways as a sum of consecutive naturals, for example, 6416 + ... + 14585.
It is an arithmetic number, because the mean of its divisors is an integer number (6930660).
Almost surely, 285789085 is an apocalyptic number.
It is an amenable number.
85789085 is a deficient number, since it is larger than the sum of its proper divisors (25101475).
85789085 is a wasteful number, since it uses less digits than its factorization.
85789085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21068.
The product of its (nonzero) digits is 806400, while the sum is 50.
The square root of 85789085 is about 9262.2397399333. The cubic root of 85789085 is about 441.0393559452.
The spelling of 85789085 in words is "eighty-five million, seven hundred eighty-nine thousand, eighty-five".
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