Base | Representation |
---|---|
bin | 1111110001101100… |
… | …00110000000100001 |
3 | 210212021121100202010 |
4 | 13320312012000201 |
5 | 114321243202444 |
6 | 3520243143133 |
7 | 416614636662 |
oct | 77066060041 |
9 | 23767540663 |
10 | 8469897249 |
11 | 3657044190 |
12 | 1784674aa9 |
13 | a4c9b8528 |
14 | 5a4c65369 |
15 | 3488b92b9 |
hex | 1f8d86021 |
8469897249 has 8 divisors (see below), whose sum is σ = 12319850592. Its totient is φ = 5133271040.
The previous prime is 8469897187. The next prime is 8469897263. The reversal of 8469897249 is 9427989648.
8469897249 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8469897249 - 232 = 4174929953 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 8469897249.
It is not an unprimeable number, because it can be changed into a prime (8469897649) 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, 128331744 + ... + 128331809.
It is an arithmetic number, because the mean of its divisors is an integer number (1539981324).
Almost surely, 28469897249 is an apocalyptic number.
It is an amenable number.
8469897249 is a deficient number, since it is larger than the sum of its proper divisors (3849953343).
8469897249 is a wasteful number, since it uses less digits than its factorization.
8469897249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 256663567.
The product of its digits is 62705664, while the sum is 66.
The square root of 8469897249 is about 92032.0446855333. The cubic root of 8469897249 is about 2038.4155042886.
The spelling of 8469897249 in words is "eight billion, four hundred sixty-nine million, eight hundred ninety-seven thousand, two hundred forty-nine".
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