Base | Representation |
---|---|
bin | 1010001000101… |
… | …11011100001001 |
3 | 12221000000010220 |
4 | 11010113130021 |
5 | 133231440130 |
6 | 12234300253 |
7 | 2051514546 |
oct | 504273411 |
9 | 187000126 |
10 | 85030665 |
11 | 43aa7885 |
12 | 24587689 |
13 | 14802105 |
14 | b415bcd |
15 | 76e9410 |
hex | 5117709 |
85030665 has 16 divisors (see below), whose sum is σ = 137966976. Its totient is φ = 44710400.
The previous prime is 85030601. The next prime is 85030727. The reversal of 85030665 is 56603058.
It is not a de Polignac number, because 85030665 - 26 = 85030601 is a prime.
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, 38856 + ... + 40985.
It is an arithmetic number, because the mean of its divisors is an integer number (8622936).
Almost surely, 285030665 is an apocalyptic number.
It is an amenable number.
85030665 is a deficient number, since it is larger than the sum of its proper divisors (52936311).
85030665 is a wasteful number, since it uses less digits than its factorization.
85030665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79920.
The product of its (nonzero) digits is 21600, while the sum is 33.
The square root of 85030665 is about 9221.2073504504. The cubic root of 85030665 is about 439.7358348908.
The spelling of 85030665 in words is "eighty-five million, thirty thousand, six hundred sixty-five".
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