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2828108287 = 171213137147
BaseRepresentation
bin1010100010010001…
…1000000111111111
321022002120210020101
42220210120013333
521242443431122
61144344101531
7130040344444
oct25044300777
97262523211
102828108287
111221436684
1266b1648a7
13360bbc174
141cb85d9cb
1511843d027
hexa89181ff

2828108287 has 8 divisors (see below), whose sum is σ = 2996958096. Its totient is φ = 2659535232.

The previous prime is 2828108279. The next prime is 2828108341. The reversal of 2828108287 is 7828018282.

2828108287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2828108287 - 23 = 2828108279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828108887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47953 + ... + 89194.

It is an arithmetic number, because the mean of its divisors is an integer number (374619762).

Almost surely, 22828108287 is an apocalyptic number.

2828108287 is a deficient number, since it is larger than the sum of its proper divisors (168849809).

2828108287 is a wasteful number, since it uses less digits than its factorization.

2828108287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138377.

The product of its (nonzero) digits is 229376, while the sum is 46.

The square root of 2828108287 is about 53179.9613294331. The cubic root of 2828108287 is about 1414.1604207519.

The spelling of 2828108287 in words is "two billion, eight hundred twenty-eight million, one hundred eight thousand, two hundred eighty-seven".

Divisors: 1 17 1213 20621 137147 2331499 166359311 2828108287