Base | Representation |
---|---|
bin | 1111110011111001… |
… | …01100010001001000 |
3 | 210220120102121021211 |
4 | 13321330230101020 |
5 | 114341012412130 |
6 | 3522143542504 |
7 | 420231146434 |
oct | 77174542110 |
9 | 23816377254 |
10 | 8488404040 |
11 | 3666534656 |
12 | 178a8baa34 |
13 | a537980ac |
14 | 5a74c19c4 |
15 | 34a322a2a |
hex | 1f9f2c448 |
8488404040 has 64 divisors (see below), whose sum is σ = 19331570160. Its totient is φ = 3354132480.
The previous prime is 8488404037. The next prime is 8488404049. The reversal of 8488404040 is 404048848.
It can be written as a sum of positive squares in 8 ways, for example, as 7348261284 + 1140142756 = 85722^2 + 33766^2 .
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a junction number, because it is equal to n+sod(n) for n = 8488403984 and 8488404002.
It is not an unprimeable number, because it can be changed into a prime (8488404049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2485374 + ... + 2488786.
Almost surely, 28488404040 is an apocalyptic number.
It is an amenable number.
8488404040 is an abundant number, since it is smaller than the sum of its proper divisors (10843166120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8488404040 is a wasteful number, since it uses less digits than its factorization.
8488404040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4162 (or 4158 counting only the distinct ones).
The product of its (nonzero) digits is 131072, while the sum is 40.
The square root of 8488404040 is about 92132.5351870880. The cubic root of 8488404040 is about 2039.8990754889.
The spelling of 8488404040 in words is "eight billion, four hundred eighty-eight million, four hundred four thousand, forty".
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