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6682641 = 372231427
BaseRepresentation
bin11001011111100000010001
3110120111212020
4121133200101
53202321031
6355122053
7110541630
oct31374021
913514766
106682641
113854849
1222a3329
1314cc934
14c5d517
158c0096
hex65f811

6682641 has 16 divisors (see below), whose sum is σ = 10235904. Its totient is φ = 3798864.

The previous prime is 6682609. The next prime is 6682693. The reversal of 6682641 is 1462866.

It is a happy number.

It is not a de Polignac number, because 6682641 - 25 = 6682609 is a prime.

6682641 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6682141) by changing a digit.

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, 3970 + ... + 5396.

It is an arithmetic number, because the mean of its divisors is an integer number (639744).

Almost surely, 26682641 is an apocalyptic number.

It is an amenable number.

6682641 is a deficient number, since it is larger than the sum of its proper divisors (3553263).

6682641 is a wasteful number, since it uses less digits than its factorization.

6682641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660.

The product of its digits is 13824, while the sum is 33.

The square root of 6682641 is about 2585.0804629644. The cubic root of 6682641 is about 188.3574101014.

The spelling of 6682641 in words is "six million, six hundred eighty-two thousand, six hundred forty-one".

Divisors: 1 3 7 21 223 669 1427 1561 4281 4683 9989 29967 318221 954663 2227547 6682641