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6830739 = 32758971
BaseRepresentation
bin11010000011101010010011
3110212001000100
4122003222103
53222040424
6402223443
7112026456
oct32035223
913761010
106830739
113946043
122354b83
131552176
14c9b49d
158eddc9
hex683a93

6830739 has 6 divisors (see below), whose sum is σ = 9866636. Its totient is φ = 4553820.

The previous prime is 6830729. The next prime is 6830741. The reversal of 6830739 is 9370386.

It is not a de Polignac number, because 6830739 - 27 = 6830611 is a prime.

It is a super-2 number, since 2×68307392 = 93317990572242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6830729) 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 5 ways as a sum of consecutive naturals, for example, 379477 + ... + 379494.

Almost surely, 26830739 is an apocalyptic number.

6830739 is a deficient number, since it is larger than the sum of its proper divisors (3035897).

6830739 is a wasteful number, since it uses less digits than its factorization.

6830739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758977 (or 758974 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 6830739 is about 2613.5682504959. The cubic root of 6830739 is about 189.7386897183.

It can be divided in two parts, 6830 and 739, that added together give a square (7569 = 872).

The spelling of 6830739 in words is "six million, eight hundred thirty thousand, seven hundred thirty-nine".

Divisors: 1 3 9 758971 2276913 6830739