Base | Representation |
---|---|
bin | 11010010000111… |
… | …11101111100111 |
3 | 120100120222021210 |
4 | 31020133233213 |
5 | 422401042413 |
6 | 33510242503 |
7 | 5313532245 |
oct | 1510375747 |
9 | 510528253 |
10 | 220330983 |
11 | 103409a24 |
12 | 61956433 |
13 | 36855282 |
14 | 21395795 |
15 | 145233c3 |
hex | d21fbe7 |
220330983 has 8 divisors (see below), whose sum is σ = 294918768. Its totient is φ = 146315264.
The previous prime is 220330969. The next prime is 220330987. The reversal of 220330983 is 389033022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 220330983 - 29 = 220330471 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 220330983.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220330987) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142116 + ... + 143657.
It is an arithmetic number, because the mean of its divisors is an integer number (36864846).
Almost surely, 2220330983 is an apocalyptic number.
220330983 is a deficient number, since it is larger than the sum of its proper divisors (74587785).
220330983 is a wasteful number, since it uses less digits than its factorization.
220330983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286033.
The product of its (nonzero) digits is 7776, while the sum is 30.
The square root of 220330983 is about 14843.5502154976. The cubic root of 220330983 is about 603.9836616416.
The spelling of 220330983 in words is "two hundred twenty million, three hundred thirty thousand, nine hundred eighty-three".
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