Base | Representation |
---|---|
bin | 10001010010001… |
… | …010101001000001 |
3 | 202012122020201020 |
4 | 101102022221001 |
5 | 1043213143344 |
6 | 44435100053 |
7 | 10120513503 |
oct | 2122125101 |
9 | 665566636 |
10 | 289974849 |
11 | 13975743a |
12 | 81141629 |
13 | 480ca968 |
14 | 2a723d73 |
15 | 1a6cd719 |
hex | 1148aa41 |
289974849 has 8 divisors (see below), whose sum is σ = 386785632. Its totient is φ = 193240320.
The previous prime is 289974833. The next prime is 289974877. The reversal of 289974849 is 948479982.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 289974849 - 24 = 289974833 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 289974792 and 289974801.
It is not an unprimeable number, because it can be changed into a prime (289974829) 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, 9504 + ... + 25889.
It is an arithmetic number, because the mean of its divisors is an integer number (48348204).
Almost surely, 2289974849 is an apocalyptic number.
It is an amenable number.
289974849 is a deficient number, since it is larger than the sum of its proper divisors (96810783).
289974849 is a wasteful number, since it uses less digits than its factorization.
289974849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38127.
The product of its digits is 10450944, while the sum is 60.
The square root of 289974849 is about 17028.6478911275. The cubic root of 289974849 is about 661.8914589467.
The spelling of 289974849 in words is "two hundred eighty-nine million, nine hundred seventy-four thousand, eight hundred forty-nine".
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