Base | Representation |
---|---|
bin | 1000010001010010… |
… | …1000001100011000 |
3 | 12201201022200112010 |
4 | 2010110220030120 |
5 | 14021310000044 |
6 | 1004142145520 |
7 | 106004455164 |
oct | 20424501430 |
9 | 5651280463 |
10 | 2220000024 |
11 | a3a14a970 |
12 | 51b5822a0 |
13 | 294c14aa8 |
14 | 170ba5ca4 |
15 | ced6cbb9 |
hex | 84528318 |
2220000024 has 64 divisors (see below), whose sum is σ = 6249876480. Its totient is φ = 651024000.
The previous prime is 2219999989. The next prime is 2220000031. The reversal of 2220000024 is 4200000222.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 2219999964 and 2220000009.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127447 + ... + 143814.
It is an arithmetic number, because the mean of its divisors is an integer number (97654320).
Almost surely, 22220000024 is an apocalyptic number.
2220000024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2220000024 is an abundant number, since it is smaller than the sum of its proper divisors (4029876456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220000024 is a wasteful number, since it uses less digits than its factorization.
2220000024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 271312 (or 271308 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 12.
The square root of 2220000024 is about 47116.8762122448. The cubic root of 2220000024 is about 1304.5207547214.
Adding to 2220000024 its reverse (4200000222), we get a palindrome (6420000246).
The spelling of 2220000024 in words is "two billion, two hundred twenty million, twenty-four", and thus it is an aban number.
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