Base | Representation |
---|---|
bin | 1000010001010111… |
… | …0111010111100000 |
3 | 12201201221011101002 |
4 | 2010111313113200 |
5 | 14021400334240 |
6 | 1004153131132 |
7 | 106010305514 |
oct | 20425672740 |
9 | 5651834332 |
10 | 2220324320 |
11 | a3a351585 |
12 | 51b6b9aa8 |
13 | 294cc9596 |
14 | 170c4c144 |
15 | cedd3d15 |
hex | 845775e0 |
2220324320 has 48 divisors (see below), whose sum is σ = 5473591200. Its totient is φ = 849513984.
The previous prime is 2220324319. The next prime is 2220324347. The reversal of 2220324320 is 234230222.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 2220324292 and 2220324301.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297995 + ... + 305354.
It is an arithmetic number, because the mean of its divisors is an integer number (114033150).
Almost surely, 22220324320 is an apocalyptic number.
2220324320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2220324320 is an abundant number, since it is smaller than the sum of its proper divisors (3253266880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220324320 is a wasteful number, since it uses less digits than its factorization.
2220324320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 603387 (or 603379 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 20.
The square root of 2220324320 is about 47120.3174861970. The cubic root of 2220324320 is about 1304.5842727785.
Adding to 2220324320 its reverse (234230222), we get a palindrome (2454554542).
The spelling of 2220324320 in words is "two billion, two hundred twenty million, three hundred twenty-four thousand, three hundred twenty".
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