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6830661 = 38925583
BaseRepresentation
bin11010000011101001000101
3110212000220110
4122003221011
53222040121
6402223233
7112026315
oct32035105
913760813
106830661
113945a82
122354b19
131552116
14c9b445
158edd76
hex683a45

6830661 has 8 divisors (see below), whose sum is σ = 9210240. Its totient is φ = 4502432.

The previous prime is 6830647. The next prime is 6830669. The reversal of 6830661 is 1660386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6830661 - 210 = 6829637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6830669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12525 + ... + 13058.

It is an arithmetic number, because the mean of its divisors is an integer number (1151280).

Almost surely, 26830661 is an apocalyptic number.

It is an amenable number.

6830661 is a deficient number, since it is larger than the sum of its proper divisors (2379579).

6830661 is a wasteful number, since it uses less digits than its factorization.

6830661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25675.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6830661 is about 2613.5533283253. The cubic root of 6830661 is about 189.7379675088.

The spelling of 6830661 in words is "six million, eight hundred thirty thousand, six hundred sixty-one".

Divisors: 1 3 89 267 25583 76749 2276887 6830661