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6740071 = 13518467
BaseRepresentation
bin11001101101100001100111
3110200102122021
4121231201213
53211140241
6400244011
7111201232
oct31554147
913612567
106740071
113893a08
122310607
13151cb10
14c76419
158d20d1
hex66d867

6740071 has 4 divisors (see below), whose sum is σ = 7258552. Its totient is φ = 6221592.

The previous prime is 6740029. The next prime is 6740077. The reversal of 6740071 is 1700476.

6740071 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.

It is not a de Polignac number, because 6740071 - 29 = 6739559 is a prime.

It is a Duffinian number.

6740071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740077) 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 3 ways as a sum of consecutive naturals, for example, 259221 + ... + 259246.

It is an arithmetic number, because the mean of its divisors is an integer number (1814638).

Almost surely, 26740071 is an apocalyptic number.

6740071 is a deficient number, since it is larger than the sum of its proper divisors (518481).

6740071 is a wasteful number, since it uses less digits than its factorization.

6740071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518480.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 6740071 is about 2596.1646712025. The cubic root of 6740071 is about 188.8954471515.

The spelling of 6740071 in words is "six million, seven hundred forty thousand, seventy-one".

Divisors: 1 13 518467 6740071