Base | Representation |
---|---|
bin | 1000010010001… |
… | …11010000001100 |
3 | 11211202212011010 |
4 | 10021013100030 |
5 | 120242412433 |
6 | 10521325220 |
7 | 1502502456 |
oct | 411072014 |
9 | 154685133 |
10 | 69497868 |
11 | 36258860 |
12 | 1b336810 |
13 | 115240cb |
14 | 93312d6 |
15 | 617be63 |
hex | 424740c |
69497868 has 24 divisors (see below), whose sum is σ = 176904000. Its totient is φ = 21059920.
The previous prime is 69497867. The next prime is 69497917. The reversal of 69497868 is 86879496.
It is not an unprimeable number, because it can be changed into a prime (69497863) 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, 263118 + ... + 263381.
It is an arithmetic number, because the mean of its divisors is an integer number (7371000).
Almost surely, 269497868 is an apocalyptic number.
It is an amenable number.
69497868 is an abundant number, since it is smaller than the sum of its proper divisors (107406132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69497868 is a wasteful number, since it uses less digits than its factorization.
69497868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 526517 (or 526515 counting only the distinct ones).
The product of its digits is 5225472, while the sum is 57.
The square root of 69497868 is about 8336.5381304232. The cubic root of 69497868 is about 411.1407217587.
The spelling of 69497868 in words is "sixty-nine million, four hundred ninety-seven thousand, eight hundred sixty-eight".
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