Base | Representation |
---|---|
bin | 10001001110111… |
… | …111011110000011 |
3 | 202011001222011101 |
4 | 101032333132003 |
5 | 1043010031114 |
6 | 44405155231 |
7 | 10110446341 |
oct | 2116773603 |
9 | 664058141 |
10 | 289142659 |
11 | 139239183 |
12 | 809bbb17 |
13 | 47b98c40 |
14 | 2a588991 |
15 | 1a5b6d74 |
hex | 113bf783 |
289142659 has 8 divisors (see below), whose sum is σ = 311692752. Its totient is φ = 266636640.
The previous prime is 289142639. The next prime is 289142663. The reversal of 289142659 is 956241982.
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 289142659 - 219 = 288618371 is a prime.
It is a super-3 number, since 3×2891426593 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (289142639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3312 + ... + 24274.
It is an arithmetic number, because the mean of its divisors is an integer number (38961594).
Almost surely, 2289142659 is an apocalyptic number.
289142659 is a deficient number, since it is larger than the sum of its proper divisors (22550093).
289142659 is a wasteful number, since it uses less digits than its factorization.
289142659 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22037.
The product of its digits is 311040, while the sum is 46.
The square root of 289142659 is about 17004.1953352695. The cubic root of 289142659 is about 661.2576715412.
The spelling of 289142659 in words is "two hundred eighty-nine million, one hundred forty-two thousand, six hundred fifty-nine".
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