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6828105 = 351014507
BaseRepresentation
bin11010000011000001001001
3110211220101210
4122003001021
53221444410
6402203333
7112016004
oct32030111
913756353
106828105
113944069
122353549
131550bcb
14c9a53b
158ed220
hex683049

6828105 has 16 divisors (see below), whose sum is σ = 11035584. Its totient is φ = 3604800.

The previous prime is 6828103. The next prime is 6828109. The reversal of 6828105 is 5018286.

It is not a de Polignac number, because 6828105 - 21 = 6828103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6828103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739 + ... + 3768.

It is an arithmetic number, because the mean of its divisors is an integer number (689724).

Almost surely, 26828105 is an apocalyptic number.

It is an amenable number.

6828105 is a deficient number, since it is larger than the sum of its proper divisors (4207479).

6828105 is a wasteful number, since it uses less digits than its factorization.

6828105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 6828105 is about 2613.0642931241. The cubic root of 6828105 is about 189.7142982159.

The spelling of 6828105 in words is "six million, eight hundred twenty-eight thousand, one hundred five".

Divisors: 1 3 5 15 101 303 505 1515 4507 13521 22535 67605 455207 1365621 2276035 6828105