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6685828 = 221798321
BaseRepresentation
bin11001100000010010000100
3110120200020021
4121200102010
53202421303
6355144524
7110554132
oct31402204
913520207
106685828
113857186
1222a5144
131501216
14c60752
158c0ebd
hex660484

6685828 has 12 divisors (see below), whose sum is σ = 12388572. Its totient is φ = 3146240.

The previous prime is 6685823. The next prime is 6685837. The reversal of 6685828 is 8285866.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5798464 + 887364 = 2408^2 + 942^2 .

It is not an unprimeable number, because it can be changed into a prime (6685823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49093 + ... + 49228.

It is an arithmetic number, because the mean of its divisors is an integer number (1032381).

Almost surely, 26685828 is an apocalyptic number.

6685828 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6685828 is a deficient number, since it is larger than the sum of its proper divisors (5702744).

6685828 is a wasteful number, since it uses less digits than its factorization.

6685828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98342 (or 98340 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 6685828 is about 2585.6968113064. The cubic root of 6685828 is about 188.3873483480.

The spelling of 6685828 in words is "six million, six hundred eighty-five thousand, eight hundred twenty-eight".

Divisors: 1 2 4 17 34 68 98321 196642 393284 1671457 3342914 6685828