Base | Representation |
---|---|
bin | 1000010101001… |
… | …11111011101000 |
3 | 11212111222100122 |
4 | 10022213323220 |
5 | 120343100424 |
6 | 10534022412 |
7 | 1506042125 |
oct | 412477350 |
9 | 155458318 |
10 | 69893864 |
11 | 364a9327 |
12 | 1b4a7a08 |
13 | 11632421 |
14 | 93d574c |
15 | 620945e |
hex | 42a7ee8 |
69893864 has 16 divisors (see below), whose sum is σ = 133008000. Its totient is φ = 34425072.
The previous prime is 69893773. The next prime is 69893867. The reversal of 69893864 is 46839896.
It is not an unprimeable number, because it can be changed into a prime (69893867) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64664 + ... + 65735.
It is an arithmetic number, because the mean of its divisors is an integer number (8313000).
Almost surely, 269893864 is an apocalyptic number.
It is an amenable number.
69893864 is a deficient number, since it is larger than the sum of its proper divisors (63114136).
69893864 is a wasteful number, since it uses less digits than its factorization.
69893864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130472 (or 130468 counting only the distinct ones).
The product of its digits is 2239488, while the sum is 53.
The square root of 69893864 is about 8360.2550200338. The cubic root of 69893864 is about 411.9201309344.
The spelling of 69893864 in words is "sixty-nine million, eight hundred ninety-three thousand, eight hundred sixty-four".
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