Base | Representation |
---|---|
bin | 1010001101010101… |
… | …0011011011111010 |
3 | 21001222022011220200 |
4 | 2203111103123322 |
5 | 21103002131332 |
6 | 1131525303030 |
7 | 124622626551 |
oct | 24325233372 |
9 | 7058264820 |
10 | 2740270842 |
11 | 11868a2051 |
12 | 645864a76 |
13 | 34894664a |
14 | 1bdd16d98 |
15 | 11088c17c |
hex | a35536fa |
2740270842 has 48 divisors (see below), whose sum is σ = 6147765000. Its totient is φ = 881096832.
The previous prime is 2740270837. The next prime is 2740270843. The reversal of 2740270842 is 2480720472.
It can be written as a sum of positive squares in 4 ways, for example, as 2674027521 + 66243321 = 51711^2 + 8139^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2740270797 and 2740270806.
It is not an unprimeable number, because it can be changed into a prime (2740270843) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 806884 + ... + 810272.
Almost surely, 22740270842 is an apocalyptic number.
2740270842 is an abundant number, since it is smaller than the sum of its proper divisors (3407494158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2740270842 is a wasteful number, since it uses less digits than its factorization.
2740270842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4975 (or 4972 counting only the distinct ones).
The product of its (nonzero) digits is 50176, while the sum is 36.
The square root of 2740270842 is about 52347.5963345023. The cubic root of 2740270842 is about 1399.3655019365.
The spelling of 2740270842 in words is "two billion, seven hundred forty million, two hundred seventy thousand, eight hundred forty-two".
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