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6830321 = 13949139
BaseRepresentation
bin11010000011100011110001
3110212000102212
4122003203301
53222032241
6402221505
7112025321
oct32034361
913760385
106830321
1139457a3
122354895
131551c14
14c9b281
158edbeb
hex6838f1

6830321 has 4 divisors (see below), whose sum is σ = 6879600. Its totient is φ = 6781044.

The previous prime is 6830303. The next prime is 6830339. The reversal of 6830321 is 1230386.

6830321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6830303) and next prime (6830339).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6830321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6830221) 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 3 ways as a sum of consecutive naturals, for example, 24431 + ... + 24708.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 26830321 is an apocalyptic number.

It is an amenable number.

6830321 is a deficient number, since it is larger than the sum of its proper divisors (49279).

6830321 is a wasteful number, since it uses less digits than its factorization.

6830321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49278.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 6830321 is about 2613.4882819711. The cubic root of 6830321 is about 189.7348193518.

The spelling of 6830321 in words is "six million, eight hundred thirty thousand, three hundred twenty-one".

Divisors: 1 139 49139 6830321