Base | Representation |
---|---|
bin | 11000110011000… |
… | …01101010100100 |
3 | 112111102102011111 |
4 | 30121201222210 |
5 | 411223034314 |
6 | 32350314404 |
7 | 5104060501 |
oct | 1431415244 |
9 | 474372144 |
10 | 208018084 |
11 | a746a07a |
12 | 597b8a04 |
13 | 34133a31 |
14 | 1d8ac4a8 |
15 | 133deec4 |
hex | c661aa4 |
208018084 has 12 divisors (see below), whose sum is σ = 367253964. Its totient is φ = 103088384.
The previous prime is 208018081. The next prime is 208018093. The reversal of 208018084 is 480810802.
It can be written as a sum of positive squares in 2 ways, for example, as 75307684 + 132710400 = 8678^2 + 11520^2 .
It is not an unprimeable number, because it can be changed into a prime (208018081) 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, 229657 + ... + 230560.
It is an arithmetic number, because the mean of its divisors is an integer number (30604497).
Almost surely, 2208018084 is an apocalyptic number.
It is an amenable number.
208018084 is a deficient number, since it is larger than the sum of its proper divisors (159235880).
208018084 is a wasteful number, since it uses less digits than its factorization.
208018084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 460334 (or 460332 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 31.
The square root of 208018084 is about 14422.8320381262. The cubic root of 208018084 is about 592.5163842668.
Adding to 208018084 its reverse (480810802), we get a palindrome (688828886).
It can be divided in two parts, 2080 and 18084, that added together give a square (20164 = 1422).
The spelling of 208018084 in words is "two hundred eight million, eighteen thousand, eighty-four".
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