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6849057 = 32283019
BaseRepresentation
bin11010001000001000100001
3110212222010210
4122020020201
53223132212
6402444333
7112134045
oct32101041
913788123
106849057
113958886
1223636a9
13155a5c7
14ca4025
1590453c
hex688221

6849057 has 4 divisors (see below), whose sum is σ = 9132080. Its totient is φ = 4566036.

The previous prime is 6848969. The next prime is 6849061. The reversal of 6849057 is 7509486.

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 not a de Polignac number, because 6849057 - 27 = 6848929 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6849757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141507 + ... + 1141512.

It is an arithmetic number, because the mean of its divisors is an integer number (2283020).

Almost surely, 26849057 is an apocalyptic number.

It is an amenable number.

6849057 is a deficient number, since it is larger than the sum of its proper divisors (2283023).

6849057 is a wasteful number, since it uses less digits than its factorization.

6849057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283022.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 6849057 is about 2617.0703085703. The cubic root of 6849057 is about 189.9081458133.

The spelling of 6849057 in words is "six million, eight hundred forty-nine thousand, fifty-seven".

Divisors: 1 3 2283019 6849057