Base | Representation |
---|---|
bin | 111100001101101… |
… | …1000110100001110 |
3 | 12012210211021010010 |
4 | 1320123120310032 |
5 | 13114213223304 |
6 | 532253054050 |
7 | 101032334346 |
oct | 17033306416 |
9 | 5183737103 |
10 | 2020445454 |
11 | 947541635 |
12 | 484787326 |
13 | 262785471 |
14 | 15249bd26 |
15 | bc5a0789 |
hex | 786d8d0e |
2020445454 has 16 divisors (see below), whose sum is σ = 4041994320. Its totient is φ = 673297920.
The previous prime is 2020445443. The next prime is 2020445521. The reversal of 2020445454 is 4545440202.
2020445454 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×20204454542 = 8164399665178532232, which contains 22 as substring.
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, 21139 + ... + 66990.
It is an arithmetic number, because the mean of its divisors is an integer number (252624645).
Almost surely, 22020445454 is an apocalyptic number.
2020445454 is an abundant number, since it is smaller than the sum of its proper divisors (2021548866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020445454 is a wasteful number, since it uses less digits than its factorization.
2020445454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91955.
The product of its (nonzero) digits is 25600, while the sum is 30.
The square root of 2020445454 is about 44949.3654460216. The cubic root of 2020445454 is about 1264.1997790666.
Adding to 2020445454 its reverse (4545440202), we get a palindrome (6565885656).
The spelling of 2020445454 in words is "two billion, twenty million, four hundred forty-five thousand, four hundred fifty-four".
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