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6624085 = 5131011009
BaseRepresentation
bin11001010001001101010101
3110110112112111
4121101031111
53143432320
6353551021
7110206126
oct31211525
913415474
106624085
113814856
122275471
1314ac0a0
14c4604d
158aca5a
hex651355

6624085 has 16 divisors (see below), whose sum is σ = 8653680. Its totient is φ = 4838400.

The previous prime is 6624077. The next prime is 6624127. The reversal of 6624085 is 5804266.

It can be written as a sum of positive squares in 8 ways, for example, as 34596 + 6589489 = 186^2 + 2567^2 .

It is not a de Polignac number, because 6624085 - 23 = 6624077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6061 + ... + 7069.

It is an arithmetic number, because the mean of its divisors is an integer number (540855).

Almost surely, 26624085 is an apocalyptic number.

6624085 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6624085 is a deficient number, since it is larger than the sum of its proper divisors (2029595).

6624085 is a wasteful number, since it uses less digits than its factorization.

6624085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 6624085 is about 2573.7297837963. The cubic root of 6624085 is about 187.8056407684.

The spelling of 6624085 in words is "six million, six hundred twenty-four thousand, eighty-five".

Divisors: 1 5 13 65 101 505 1009 1313 5045 6565 13117 65585 101909 509545 1324817 6624085