Search a number
-
+
6742019 = 8577867
BaseRepresentation
bin11001101110000000000011
3110200112022102
4121232000003
53211221034
6400301015
7111210014
oct31560003
913615272
106742019
113895419
12231176b
13152097b
14c7700b
158d297e
hex66e003

6742019 has 4 divisors (see below), whose sum is σ = 6750744. Its totient is φ = 6733296.

The previous prime is 6742003. The next prime is 6742037. The reversal of 6742019 is 9102476.

6742019 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 a cyclic number.

It is not a de Polignac number, because 6742019 - 24 = 6742003 is a prime.

It is a super-2 number, since 2×67420192 = 90909640392722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6741982 and 6742000.

It is not an unprimeable number, because it can be changed into a prime (6741019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3077 + ... + 4790.

It is an arithmetic number, because the mean of its divisors is an integer number (1687686).

Almost surely, 26742019 is an apocalyptic number.

6742019 is a deficient number, since it is larger than the sum of its proper divisors (8725).

6742019 is an equidigital number, since it uses as much as digits as its factorization.

6742019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8724.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 6742019 is about 2596.5398129049. The cubic root of 6742019 is about 188.9136434429.

The spelling of 6742019 in words is "six million, seven hundred forty-two thousand, nineteen".

Divisors: 1 857 7867 6742019