Base | Representation |
---|---|
bin | 1000001110011… |
… | …10111010111001 |
3 | 11210211211001012 |
4 | 10013032322321 |
5 | 120131124420 |
6 | 10503003305 |
7 | 1465350500 |
oct | 407167271 |
9 | 153754035 |
10 | 69004985 |
11 | 35a51515 |
12 | 1b139535 |
13 | 113b096a |
14 | 9243837 |
15 | 60d0dc5 |
hex | 41ceeb9 |
69004985 has 12 divisors (see below), whose sum is σ = 96325668. Its totient is φ = 47317536.
The previous prime is 69004973. The next prime is 69005003. The reversal of 69004985 is 58940096.
It can be written as a sum of positive squares in 2 ways, for example, as 12694969 + 56310016 = 3563^2 + 7504^2 .
It is not a de Polignac number, because 69004985 - 220 = 67956409 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140582 + ... + 141071.
It is an arithmetic number, because the mean of its divisors is an integer number (8027139).
Almost surely, 269004985 is an apocalyptic number.
It is an amenable number.
69004985 is a deficient number, since it is larger than the sum of its proper divisors (27320683).
69004985 is a wasteful number, since it uses less digits than its factorization.
69004985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281672 (or 281665 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 41.
The square root of 69004985 is about 8306.9239192375. The cubic root of 69004985 is about 410.1664701750.
The spelling of 69004985 in words is "sixty-nine million, four thousand, nine hundred eighty-five".
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