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828005347 = 13731396277
BaseRepresentation
bin110001010110100…
…101101111100011
32010201001000210201
4301112211233203
53143432132342
6214055010031
726342633521
oct6126455743
92121030721
10828005347
11395429744
121b1369917
13102709cc0
147bd79311
154ca59db7
hex315a5be3

828005347 has 16 divisors (see below), whose sum is σ = 910561120. Its totient is φ = 748300032.

The previous prime is 828005341. The next prime is 828005357. The reversal of 828005347 is 743500828.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-828005347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (828005341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128773 + ... + 135049.

It is an arithmetic number, because the mean of its divisors is an integer number (56910070).

Almost surely, 2828005347 is an apocalyptic number.

828005347 is a deficient number, since it is larger than the sum of its proper divisors (82555773).

828005347 is a wasteful number, since it uses less digits than its factorization.

828005347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 828005347 is about 28775.0820502740. The cubic root of 828005347 is about 939.0262086174.

The spelling of 828005347 in words is "eight hundred twenty-eight million, five thousand, three hundred forty-seven".

Divisors: 1 13 73 139 949 1807 6277 10147 81601 131911 458221 872503 5956873 11342539 63692719 828005347