Base | Representation |
---|---|
bin | 1000010001011001… |
… | …0001001111110000 |
3 | 12201202010112210000 |
4 | 2010112101033300 |
5 | 14021412232240 |
6 | 1004155310000 |
7 | 106011226533 |
oct | 20426211760 |
9 | 5652115700 |
10 | 2220430320 |
11 | a3a414189 |
12 | 51b74b300 |
13 | 2950358c4 |
14 | 170c78a1a |
15 | cee05430 |
hex | 845913f0 |
2220430320 has 100 divisors (see below), whose sum is σ = 7711905960. Its totient is φ = 592113024.
The previous prime is 2220430319. The next prime is 2220430321. The reversal of 2220430320 is 230340222.
It is an interprime number because it is at equal distance from previous prime (2220430319) and next prime (2220430321).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2220430293 and 2220430302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220430321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 164850 + ... + 177809.
Almost surely, 22220430320 is an apocalyptic number.
2220430320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2220430320 is an abundant number, since it is smaller than the sum of its proper divisors (5491475640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220430320 is a wasteful number, since it uses less digits than its factorization.
2220430320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 342684 (or 342669 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 2220430320 is about 47121.4422529701. The cubic root of 2220430320 is about 1304.6050330688.
Adding to 2220430320 its reverse (230340222), we get a palindrome (2450770542).
The spelling of 2220430320 in words is "two billion, two hundred twenty million, four hundred thirty thousand, three hundred twenty".
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