Base | Representation |
---|---|
bin | 111100011010001… |
… | …1111111100010000 |
3 | 12020021012201000000 |
4 | 1320310133330100 |
5 | 13122404400430 |
6 | 533050130000 |
7 | 101142312216 |
oct | 17064377420 |
9 | 5207181000 |
10 | 2027028240 |
11 | 950228356 |
12 | 486a20900 |
13 | 263c4b7c3 |
14 | 1532d2cb6 |
15 | bce50e60 |
hex | 78d1ff10 |
2027028240 has 140 divisors (see below), whose sum is σ = 7066231884. Its totient is φ = 540525312.
The previous prime is 2027028229. The next prime is 2027028247. The reversal of 2027028240 is 428207202.
It can be written as a sum of positive squares in 2 ways, for example, as 606341376 + 1420686864 = 24624^2 + 37692^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2027028247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 40942 + ... + 75698.
Almost surely, 22027028240 is an apocalyptic number.
2027028240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2027028240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3533115942).
2027028240 is an abundant number, since it is smaller than the sum of its proper divisors (5039203644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2027028240 is an equidigital number, since it uses as much as digits as its factorization.
2027028240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34788 (or 34767 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 27.
The square root of 2027028240 is about 45022.5303598099. The cubic root of 2027028240 is about 1265.5712480875.
The spelling of 2027028240 in words is "two billion, twenty-seven million, twenty-eight thousand, two hundred forty".
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