Base | Representation |
---|---|
bin | 10001001110111… |
… | …000101111011010 |
3 | 202011000120100121 |
4 | 101032320233122 |
5 | 1043003140343 |
6 | 44404423454 |
7 | 10110303106 |
oct | 2116705732 |
9 | 664016317 |
10 | 289115098 |
11 | 13921a4a8 |
12 | 809a7b8a |
13 | 47b8952c |
14 | 2a57c906 |
15 | 1a5adaed |
hex | 113b8bda |
289115098 has 8 divisors (see below), whose sum is σ = 434138292. Its totient is φ = 144402336.
The previous prime is 289115093. The next prime is 289115143. The reversal of 289115098 is 890511982.
It can be written as a sum of positive squares in 2 ways, for example, as 189255049 + 99860049 = 13757^2 + 9993^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (289115093) 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, 75265 + ... + 79012.
Almost surely, 2289115098 is an apocalyptic number.
289115098 is a deficient number, since it is larger than the sum of its proper divisors (145023194).
289115098 is a wasteful number, since it uses less digits than its factorization.
289115098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155216.
The product of its (nonzero) digits is 51840, while the sum is 43.
The square root of 289115098 is about 17003.3848983077. The cubic root of 289115098 is about 661.2366605728.
The spelling of 289115098 in words is "two hundred eighty-nine million, one hundred fifteen thousand, ninety-eight".
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