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6682725 = 325274243
BaseRepresentation
bin11001011111100001100101
3110120111222100
4121133201211
53202321400
6355122313
7110542110
oct31374145
913514870
106682725
113854915
1222a3399
1314cc99a
14c5d577
158c0100
hex65f865

6682725 has 36 divisors (see below), whose sum is σ = 13682656. Its totient is φ = 3054240.

The previous prime is 6682721. The next prime is 6682729. The reversal of 6682725 is 5272866.

It is an interprime number because it is at equal distance from previous prime (6682721) and next prime (6682729).

It is not a de Polignac number, because 6682725 - 22 = 6682721 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6682725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6682721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 547 + ... + 3696.

Almost surely, 26682725 is an apocalyptic number.

It is an amenable number.

6682725 is an abundant number, since it is smaller than the sum of its proper divisors (6999931).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6682725 is a wasteful number, since it uses less digits than its factorization.

6682725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266 (or 4258 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 6682725 is about 2585.0967099898. The cubic root of 6682725 is about 188.3581993081.

The spelling of 6682725 in words is "six million, six hundred eighty-two thousand, seven hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 63 75 105 175 225 315 525 1575 4243 12729 21215 29701 38187 63645 89103 106075 148505 190935 267309 318225 445515 742525 954675 1336545 2227575 6682725