Base | Representation |
---|---|
bin | 10001001110100… |
… | …011101110110011 |
3 | 202010212012022101 |
4 | 101032203232303 |
5 | 1042442412133 |
6 | 44402521231 |
7 | 10106464162 |
oct | 2116435663 |
9 | 663765271 |
10 | 289029043 |
11 | 139170886 |
12 | 80966217 |
13 | 47b59304 |
14 | 2a5593d9 |
15 | 1a59337d |
hex | 113a3bb3 |
289029043 has 4 divisors (see below), whose sum is σ = 289229688. Its totient is φ = 288828400.
The previous prime is 289029029. The next prime is 289029047. The reversal of 289029043 is 340920982.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340920982 = 2 ⋅170460491.
It is a cyclic number.
It is not a de Polignac number, because 289029043 - 25 = 289029011 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 289028993 and 289029011.
It is not an unprimeable number, because it can be changed into a prime (289029047) 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, 98146 + ... + 101047.
It is an arithmetic number, because the mean of its divisors is an integer number (72307422).
Almost surely, 2289029043 is an apocalyptic number.
289029043 is a deficient number, since it is larger than the sum of its proper divisors (200645).
289029043 is a wasteful number, since it uses less digits than its factorization.
289029043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200644.
The product of its (nonzero) digits is 31104, while the sum is 37.
The square root of 289029043 is about 17000.8541844226. The cubic root of 289029043 is about 661.1710484483.
The spelling of 289029043 in words is "two hundred eighty-nine million, twenty-nine thousand, forty-three".
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