Base | Representation |
---|---|
bin | 100000010011… |
… | …111001011101 |
3 | 120221022210202 |
4 | 200103321131 |
5 | 4132020414 |
6 | 501313245 |
7 | 131665124 |
oct | 40237135 |
9 | 16838722 |
10 | 8470109 |
11 | 486579a |
12 | 2a05825 |
13 | 19a73cb |
14 | 11a6abb |
15 | b249de |
hex | 813e5d |
8470109 has 2 divisors, whose sum is σ = 8470110. Its totient is φ = 8470108.
The previous prime is 8470081. The next prime is 8470123. The reversal of 8470109 is 9010748.
8470109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7425625 + 1044484 = 2725^2 + 1022^2 .
It is a cyclic number.
It is not a de Polignac number, because 8470109 - 212 = 8466013 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is equal to p569225 and since 8470109 and 569225 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8470139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4235054 + 4235055.
It is an arithmetic number, because the mean of its divisors is an integer number (4235055).
Almost surely, 28470109 is an apocalyptic number.
It is an amenable number.
8470109 is a deficient number, since it is larger than the sum of its proper divisors (1).
8470109 is an equidigital number, since it uses as much as digits as its factorization.
8470109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2016, while the sum is 29.
The square root of 8470109 is about 2910.3451685324. The cubic root of 8470109 is about 203.8432491229.
The spelling of 8470109 in words is "eight million, four hundred seventy thousand, one hundred nine".
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