Base | Representation |
---|---|
bin | 1010001110101… |
… | …00111111011001 |
3 | 12222110110011110 |
4 | 11013110333121 |
5 | 133431311230 |
6 | 12303050533 |
7 | 2061230241 |
oct | 507247731 |
9 | 188413143 |
10 | 85807065 |
11 | 44488133 |
12 | 248a0a49 |
13 | 14a14616 |
14 | b578b21 |
15 | 77ee4b0 |
hex | 51d4fd9 |
85807065 has 8 divisors (see below), whose sum is σ = 137291328. Its totient is φ = 45763760.
The previous prime is 85807061. The next prime is 85807067. The reversal of 85807065 is 56070858.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 85807065 - 22 = 85807061 is a prime.
It is not an unprimeable number, because it can be changed into a prime (85807061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2860221 + ... + 2860250.
It is an arithmetic number, because the mean of its divisors is an integer number (17161416).
Almost surely, 285807065 is an apocalyptic number.
It is an amenable number.
85807065 is a deficient number, since it is larger than the sum of its proper divisors (51484263).
85807065 is a wasteful number, since it uses less digits than its factorization.
85807065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5720479.
The product of its (nonzero) digits is 67200, while the sum is 39.
The square root of 85807065 is about 9263.2102966520. The cubic root of 85807065 is about 441.0701653568.
The spelling of 85807065 in words is "eighty-five million, eight hundred seven thousand, sixty-five".
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