Base | Representation |
---|---|
bin | 101000100110000101010 |
3 | 2111120201100 |
4 | 11010300222 |
5 | 320031333 |
6 | 44302230 |
7 | 14210121 |
oct | 5046052 |
9 | 2446640 |
10 | 1330218 |
11 | 82945a |
12 | 541976 |
13 | 377616 |
14 | 268ab8 |
15 | 1b4213 |
hex | 144c2a |
1330218 has 24 divisors (see below), whose sum is σ = 2927808. Its totient is φ = 436392.
The previous prime is 1330213. The next prime is 1330223. The reversal of 1330218 is 8120331.
It is an interprime number because it is at equal distance from previous prime (1330213) and next prime (1330223).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a self number, because there is not a number n which added to its sum of digits gives 1330218.
It is not an unprimeable number, because it can be changed into a prime (1330211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 655 + ... + 1757.
It is an arithmetic number, because the mean of its divisors is an integer number (121992).
21330218 is an apocalyptic number.
1330218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
1330218 is an abundant number, since it is smaller than the sum of its proper divisors (1597590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1330218 is a wasteful number, since it uses less digits than its factorization.
1330218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1178 (or 1175 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 1330218 is about 1153.3507705811. The cubic root of 1330218 is about 109.9784530799.
Adding to 1330218 its reverse (8120331), we get a palindrome (9450549).
The spelling of 1330218 in words is "one million, three hundred thirty thousand, two hundred eighteen".
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