Base | Representation |
---|---|
bin | 100101001010111011010 |
3 | 2021212210111 |
4 | 10221113122 |
5 | 302434020 |
6 | 42034534 |
7 | 13232023 |
oct | 4512732 |
9 | 2255714 |
10 | 1218010 |
11 | 762122 |
12 | 4a8a4a |
13 | 338521 |
14 | 239c4a |
15 | 190d5a |
hex | 1295da |
1218010 has 12 divisors (see below), whose sum is σ = 2198718. Its totient is φ = 485808.
The previous prime is 1217989. The next prime is 1218017. The reversal of 1218010 is 108121.
It can be written as a sum of positive squares in 3 ways, for example, as 1159929 + 58081 = 1077^2 + 241^2 .
It is not an unprimeable number, because it can be changed into a prime (1218017) 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 5 ways as a sum of consecutive naturals, for example, 3316 + ... + 3664.
21218010 is an apocalyptic number.
1218010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1218010 is a deficient number, since it is larger than the sum of its proper divisors (980708).
1218010 is an frugal number, since it uses more digits than its factorization.
1218010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 705 (or 356 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
The square root of 1218010 is about 1103.6349033988. The cubic root of 1218010 is about 106.7948437429.
The spelling of 1218010 in words is "one million, two hundred eighteen thousand, ten".
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