Base | Representation |
---|---|
bin | 111100001110100… |
… | …0011000000111000 |
3 | 12012211122100210201 |
4 | 1320131003000320 |
5 | 13114321133230 |
6 | 532310251544 |
7 | 101036125465 |
oct | 17035030070 |
9 | 5184570721 |
10 | 2020880440 |
11 | 947809427 |
12 | 484956bb4 |
13 | 2628a8457 |
14 | 15257266c |
15 | bc6395ca |
hex | 78743038 |
2020880440 has 32 divisors (see below), whose sum is σ = 4814452080. Its totient is φ = 760801792.
The previous prime is 2020880437. The next prime is 2020880453. The reversal of 2020880440 is 440880202.
It is a junction number, because it is equal to n+sod(n) for n = 2020880399 and 2020880408.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1485262 + ... + 1486621.
Almost surely, 22020880440 is an apocalyptic number.
2020880440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2020880440 is an abundant number, since it is smaller than the sum of its proper divisors (2793571640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020880440 is a wasteful number, since it uses less digits than its factorization.
2020880440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2971911 (or 2971907 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 28.
The square root of 2020880440 is about 44954.2038078754. The cubic root of 2020880440 is about 1264.2904966433.
The spelling of 2020880440 in words is "two billion, twenty million, eight hundred eighty thousand, four hundred forty".
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