Base | Representation |
---|---|
bin | 11110100001001011011010 |
3 | 120001110020101 |
4 | 132201023122 |
5 | 4022001333 |
6 | 443250014 |
7 | 125000152 |
oct | 36411332 |
9 | 16043211 |
10 | 8000218 |
11 | 4574756 |
12 | 281990a |
13 | 1871575 |
14 | 10c3762 |
15 | a8067d |
hex | 7a12da |
8000218 has 8 divisors (see below), whose sum is σ = 12012948. Its totient is φ = 3995904.
The previous prime is 8000189. The next prime is 8000219. The reversal of 8000218 is 8120008.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 5650129 + 2350089 = 2377^2 + 1533^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 8000195 and 8000204.
It is not an unprimeable number, because it can be changed into a prime (8000219) 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, 1530 + ... + 4282.
Almost surely, 28000218 is an apocalyptic number.
8000218 is a deficient number, since it is larger than the sum of its proper divisors (4012730).
8000218 is a wasteful number, since it uses less digits than its factorization.
8000218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4208.
The product of its (nonzero) digits is 128, while the sum is 19.
The square root of 8000218 is about 2828.4656618032. The cubic root of 8000218 is about 200.0018166502.
The spelling of 8000218 in words is "eight million, two hundred eighteen", and thus it is an aban number.
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