Base | Representation |
---|---|
bin | 1010001110101… |
… | …00111110011101 |
3 | 12222110110002020 |
4 | 11013110332131 |
5 | 133431311010 |
6 | 12303050353 |
7 | 2061230124 |
oct | 507247635 |
9 | 188413066 |
10 | 85807005 |
11 | 44488089 |
12 | 248a09b9 |
13 | 14a1459b |
14 | b578abb |
15 | 77ee470 |
hex | 51d4f9d |
85807005 has 16 divisors (see below), whose sum is σ = 137407104. Its totient is φ = 45725120.
The previous prime is 85806989. The next prime is 85807031. The reversal of 85807005 is 50070858.
It is not a de Polignac number, because 85807005 - 24 = 85806989 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29935 + ... + 32675.
It is an arithmetic number, because the mean of its divisors is an integer number (8587944).
Almost surely, 285807005 is an apocalyptic number.
It is an amenable number.
85807005 is a deficient number, since it is larger than the sum of its proper divisors (51600099).
85807005 is a wasteful number, since it uses less digits than its factorization.
85807005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4836.
The product of its (nonzero) digits is 11200, while the sum is 33.
The square root of 85807005 is about 9263.2070580334. The cubic root of 85807005 is about 441.0700625517.
The spelling of 85807005 in words is "eighty-five million, eight hundred seven thousand, five".
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