Base | Representation |
---|---|
bin | 11111100101100000000101 |
3 | 120120200010020 |
4 | 133211200011 |
5 | 4104430234 |
6 | 453245353 |
7 | 130244100 |
oct | 37454005 |
9 | 16520106 |
10 | 8280069 |
11 | 4745a36 |
12 | 2933859 |
13 | 193ba65 |
14 | 1157737 |
15 | ad8549 |
hex | 7e5805 |
8280069 has 48 divisors (see below), whose sum is σ = 14008320. Its totient is φ = 4324320.
The previous prime is 8280053. The next prime is 8280127. The reversal of 8280069 is 9600828.
It is not a de Polignac number, because 8280069 - 24 = 8280053 is a prime.
It is a super-2 number, since 2×82800692 = 137119085289522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8280049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104772 + ... + 104850.
It is an arithmetic number, because the mean of its divisors is an integer number (291840).
Almost surely, 28280069 is an apocalyptic number.
It is an amenable number.
8280069 is a deficient number, since it is larger than the sum of its proper divisors (5728251).
8280069 is a wasteful number, since it uses less digits than its factorization.
8280069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150 (or 143 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 8280069 is about 2877.5109035415. The cubic root of 8280069 is about 202.3071903512.
The spelling of 8280069 in words is "eight million, two hundred eighty thousand, sixty-nine".
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