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2740270842 = 2322915493389
BaseRepresentation
bin1010001101010101…
…0011011011111010
321001222022011220200
42203111103123322
521103002131332
61131525303030
7124622626551
oct24325233372
97058264820
102740270842
1111868a2051
12645864a76
1334894664a
141bdd16d98
1511088c17c
hexa35536fa

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".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 1549 3098 3389 4647 6778 9294 10167 13941 20334 27882 30501 44921 61002 89842 98281 134763 196562 269526 294843 404289 589686 808578 884529 1769058 5249561 10499122 15748683 31497366 47246049 94492098 152237269 304474538 456711807 913423614 1370135421 2740270842