Base | Representation |
---|---|
bin | 1010101010101… |
… | …11111100000111 |
3 | 20020101112001022 |
4 | 11111113330013 |
5 | 140402123114 |
6 | 12514021355 |
7 | 2134434224 |
oct | 525277407 |
9 | 206345038 |
10 | 89489159 |
11 | 46572591 |
12 | 25b7785b |
13 | 15703586 |
14 | bc5694b |
15 | 7cca48e |
hex | 5557f07 |
89489159 has 4 divisors (see below), whose sum is σ = 93380016. Its totient is φ = 85598304.
The previous prime is 89489143. The next prime is 89489161. The reversal of 89489159 is 95198498.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95198498 = 2 ⋅47599249.
It is a cyclic number.
It is not a de Polignac number, because 89489159 - 24 = 89489143 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 89489159.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89485159) 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, 1945394 + ... + 1945439.
It is an arithmetic number, because the mean of its divisors is an integer number (23345004).
Almost surely, 289489159 is an apocalyptic number.
89489159 is a deficient number, since it is larger than the sum of its proper divisors (3890857).
89489159 is a wasteful number, since it uses less digits than its factorization.
89489159 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3890856.
The product of its digits is 933120, while the sum is 53.
The square root of 89489159 is about 9459.8709822069. The cubic root of 89489159 is about 447.2909819415.
The spelling of 89489159 in words is "eighty-nine million, four hundred eighty-nine thousand, one hundred fifty-nine".
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