Base | Representation |
---|---|
bin | 1000001000001… |
… | …0110000000001 |
3 | 2101010221200001 |
4 | 2002002300001 |
5 | 32211334420 |
6 | 3214400001 |
7 | 562521466 |
oct | 202026001 |
9 | 71127601 |
10 | 34089985 |
11 | 18274346 |
12 | b500001 |
13 | 70a77b7 |
14 | 475566d |
15 | 2ed5b0a |
hex | 2082c01 |
34089985 has 8 divisors (see below), whose sum is σ = 40945896. Its totient is φ = 27246720.
The previous prime is 34089977. The next prime is 34089989. The reversal of 34089985 is 58998043.
It can be written as a sum of positive squares in 4 ways, for example, as 2359296 + 31730689 = 1536^2 + 5633^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 34089985 - 23 = 34089977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (34089989) 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, 4437 + ... + 9373.
It is an arithmetic number, because the mean of its divisors is an integer number (5118237).
Almost surely, 234089985 is an apocalyptic number.
It is an amenable number.
34089985 is a deficient number, since it is larger than the sum of its proper divisors (6855911).
34089985 is a wasteful number, since it uses less digits than its factorization.
34089985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6323.
The product of its (nonzero) digits is 311040, while the sum is 46.
The square root of 34089985 is about 5838.6629462575. The cubic root of 34089985 is about 324.2467288217.
The spelling of 34089985 in words is "thirty-four million, eighty-nine thousand, nine hundred eighty-five".
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