Base | Representation |
---|---|
bin | 100010010010… |
… | …100110001001 |
3 | 121220200200100 |
4 | 202102212021 |
5 | 4300122230 |
6 | 520400013 |
7 | 136256121 |
oct | 42224611 |
9 | 17820610 |
10 | 8989065 |
11 | 508a688 |
12 | 3016009 |
13 | 1b29697 |
14 | 129dc81 |
15 | bc8660 |
hex | 892989 |
8989065 has 24 divisors (see below), whose sum is σ = 15879240. Its totient is φ = 4702464.
The previous prime is 8989061. The next prime is 8989069. The reversal of 8989065 is 5609898.
It is an interprime number because it is at equal distance from previous prime (8989061) and next prime (8989069).
It can be written as a sum of positive squares in 4 ways, for example, as 2996361 + 5992704 = 1731^2 + 2448^2 .
It is not a de Polignac number, because 8989065 - 22 = 8989061 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 8989065.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8989061) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 501 + ... + 4269.
It is an arithmetic number, because the mean of its divisors is an integer number (661635).
Almost surely, 28989065 is an apocalyptic number.
It is an amenable number.
8989065 is a deficient number, since it is larger than the sum of its proper divisors (6890175).
8989065 is a wasteful number, since it uses less digits than its factorization.
8989065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3833 (or 3830 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 45.
The square root of 8989065 is about 2998.1769460791. The cubic root of 8989065 is about 207.9241047687.
The spelling of 8989065 in words is "eight million, nine hundred eighty-nine thousand, sixty-five".
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