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2740144340 = 225137007217
BaseRepresentation
bin1010001101010011…
…0100100011010100
321001222001202101102
42203110310203110
521102434104330
61131522445232
7124621562003
oct24324644324
97058052342
102740144340
111186815aaa
12645803818
13348900bab
141bdcc2c3a
15110864945
hexa35348d4

2740144340 has 12 divisors (see below), whose sum is σ = 5754303156. Its totient is φ = 1096057728.

The previous prime is 2740144283. The next prime is 2740144403. The reversal of 2740144340 is 434410472.

It can be written as a sum of positive squares in 2 ways, for example, as 1463368516 + 1276775824 = 38254^2 + 35732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68503589 + ... + 68503628.

It is an arithmetic number, because the mean of its divisors is an integer number (479525263).

Almost surely, 22740144340 is an apocalyptic number.

2740144340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2740144340 is an abundant number, since it is smaller than the sum of its proper divisors (3014158816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2740144340 is a wasteful number, since it uses less digits than its factorization.

2740144340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137007226 (or 137007224 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 2740144340 is about 52346.3880320314. The cubic root of 2740144340 is about 1399.3439681455.

The spelling of 2740144340 in words is "two billion, seven hundred forty million, one hundred forty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 137007217 274014434 548028868 685036085 1370072170 2740144340