Base | Representation |
---|---|
bin | 111100010001000… |
… | …1010000111010010 |
3 | 12012221011102200000 |
4 | 1320202022013102 |
5 | 13120142021432 |
6 | 532355110430 |
7 | 101053405560 |
oct | 17042120722 |
9 | 5187142600 |
10 | 2022220242 |
11 | 948543aa9 |
12 | 4852a2416 |
13 | 262c57233 |
14 | 152800a30 |
15 | bc80157c |
hex | 7888a1d2 |
2022220242 has 48 divisors (see below), whose sum is σ = 5192870592. Its totient is φ = 577776240.
The previous prime is 2022220229. The next prime is 2022220243. The reversal of 2022220242 is 2420222202.
It is a happy number.
2022220242 is a `hidden beast` number, since 202 + 2 + 220 + 242 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (2022220243) 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 23 ways as a sum of consecutive naturals, for example, 293809 + ... + 300612.
It is an arithmetic number, because the mean of its divisors is an integer number (108184804).
Almost surely, 22022220242 is an apocalyptic number.
2022220242 is an abundant number, since it is smaller than the sum of its proper divisors (3170650350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2022220242 is an equidigital number, since it uses as much as digits as its factorization.
2022220242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 594445 (or 594433 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 18.
The square root of 2022220242 is about 44969.1031931925. The cubic root of 2022220242 is about 1264.5698344178.
Adding to 2022220242 its reverse (2420222202), we get a palindrome (4442442444).
The spelling of 2022220242 in words is "two billion, twenty-two million, two hundred twenty thousand, two hundred forty-two".
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