Base | Representation |
---|---|
bin | 111101101011000001110 |
3 | 10210200010100 |
4 | 13231120032 |
5 | 1004132003 |
6 | 111151530 |
7 | 23114526 |
oct | 7553016 |
9 | 3720110 |
10 | 2020878 |
11 | 1160352 |
12 | 8155a6 |
13 | 559ab2 |
14 | 3a8686 |
15 | 29dba3 |
hex | 1ed60e |
2020878 has 36 divisors (see below), whose sum is σ = 4636008. Its totient is φ = 636120.
The previous prime is 2020877. The next prime is 2020883. The reversal of 2020878 is 8780202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020877) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6343 + ... + 6653.
It is an arithmetic number, because the mean of its divisors is an integer number (128778).
22020878 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2020878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2318004).
2020878 is an abundant number, since it is smaller than the sum of its proper divisors (2615130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020878 is a wasteful number, since it uses less digits than its factorization.
2020878 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 357 (or 335 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 27.
The square root of 2020878 is about 1421.5758861208. The cubic root of 2020878 is about 126.4289987811.
The spelling of 2020878 in words is "two million, twenty thousand, eight hundred seventy-eight".
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