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2743503640 = 23568587591
BaseRepresentation
bin1010001110000110…
…1000101100011000
321002012101102110221
42203201220230120
521104314104030
61132122445424
7124662252613
oct24341505430
97065342427
102743503640
1111886aa989
12646963874
13349508c47
141c051917a
15110cc9e7a
hexa3868b18

2743503640 has 16 divisors (see below), whose sum is σ = 6172883280. Its totient is φ = 1097401440.

The previous prime is 2743503629. The next prime is 2743503649. The reversal of 2743503640 is 463053472.

It is a junction number, because it is equal to n+sod(n) for n = 2743503596 and 2743503605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2743503649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34293756 + ... + 34293835.

It is an arithmetic number, because the mean of its divisors is an integer number (385805205).

Almost surely, 22743503640 is an apocalyptic number.

2743503640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2743503640 is an abundant number, since it is smaller than the sum of its proper divisors (3429379640).

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

2743503640 is a wasteful number, since it uses less digits than its factorization.

2743503640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68587602 (or 68587598 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 2743503640 is about 52378.4654223470. The cubic root of 2743503640 is about 1399.9155799436.

The spelling of 2743503640 in words is "two billion, seven hundred forty-three million, five hundred three thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 68587591 137175182 274350364 342937955 548700728 685875910 1371751820 2743503640