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6739109 = 13539781
BaseRepresentation
bin11001101101010010100101
3110200101022122
4121231102211
53211122414
6400235325
7111165356
oct31552245
913611278
106739109
113893213
12230bb45
13151c550
14c75d2d
158d1b8e
hex66d4a5

6739109 has 8 divisors (see below), whose sum is σ = 7395192. Its totient is φ = 6102720.

The previous prime is 6739067. The next prime is 6739147. The reversal of 6739109 is 9019376.

6739109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 504100 + 6235009 = 710^2 + 2497^2 .

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

It is not a de Polignac number, because 6739109 - 212 = 6735013 is a prime.

It is a super-2 number, since 2×67391092 = 90831180227762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6739199) 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, 4202 + ... + 5579.

It is an arithmetic number, because the mean of its divisors is an integer number (924399).

Almost surely, 26739109 is an apocalyptic number.

It is an amenable number.

6739109 is a deficient number, since it is larger than the sum of its proper divisors (656083).

6739109 is a wasteful number, since it uses less digits than its factorization.

6739109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9847.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 6739109 is about 2595.9793912895. The cubic root of 6739109 is about 188.8864598047.

The spelling of 6739109 in words is "six million, seven hundred thirty-nine thousand, one hundred nine".

Divisors: 1 13 53 689 9781 127153 518393 6739109