Base | Representation |
---|---|
bin | 1000010000010… |
… | …00110010010000 |
3 | 11211021212011112 |
4 | 10020020302100 |
5 | 120211221000 |
6 | 10512032452 |
7 | 1500355502 |
oct | 410106220 |
9 | 154255145 |
10 | 69242000 |
11 | 360a35a3 |
12 | 1b232728 |
13 | 114647c9 |
14 | 92a5d72 |
15 | 612b235 |
hex | 4208c90 |
69242000 has 80 divisors (see below), whose sum is σ = 169743600. Its totient is φ = 27315200.
The previous prime is 69241979. The next prime is 69242011. The reversal of 69242000 is 24296.
It can be written as a sum of positive squares in 8 ways, for example, as 43191184 + 26050816 = 6572^2 + 5104^2 .
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177806 + ... + 178194.
It is an arithmetic number, because the mean of its divisors is an integer number (2121795).
Almost surely, 269242000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69242000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84871800).
69242000 is an abundant number, since it is smaller than the sum of its proper divisors (100501600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69242000 is a wasteful number, since it uses less digits than its factorization.
69242000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 501 (or 485 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 69242000 is about 8321.1778012491. The cubic root of 69242000 is about 410.6355402187.
Adding to 69242000 its reverse (24296), we get a palindrome (69266296).
The spelling of 69242000 in words is "sixty-nine million, two hundred forty-two thousand".
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