Base | Representation |
---|---|
bin | 10001001110110… |
… | …101111011111101 |
3 | 202010222222121020 |
4 | 101032311323331 |
5 | 1043002303423 |
6 | 44404254353 |
7 | 10110224451 |
oct | 2116657375 |
9 | 663888536 |
10 | 289103613 |
11 | 139211907 |
12 | 809a13b9 |
13 | 47b84236 |
14 | 2a578661 |
15 | 1a5aa4e3 |
hex | 113b5efd |
289103613 has 16 divisors (see below), whose sum is σ = 399409152. Its totient is φ = 185814000.
The previous prime is 289103611. The next prime is 289103671. The reversal of 289103613 is 316301982.
It is not a de Polignac number, because 289103613 - 21 = 289103611 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (289103611) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19468 + ... + 30938.
It is an arithmetic number, because the mean of its divisors is an integer number (24963072).
Almost surely, 2289103613 is an apocalyptic number.
It is an amenable number.
289103613 is a deficient number, since it is larger than the sum of its proper divisors (110305539).
289103613 is a wasteful number, since it uses less digits than its factorization.
289103613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11776.
The product of its (nonzero) digits is 7776, while the sum is 33.
The square root of 289103613 is about 17003.0471680814. The cubic root of 289103613 is about 661.2279046556.
It can be divided in two parts, 28910 and 3613, that added together give a palindrome (32523).
The spelling of 289103613 in words is "two hundred eighty-nine million, one hundred three thousand, six hundred thirteen".
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