Search a number
-
+
6671005 = 511121291
BaseRepresentation
bin11001011100101010011101
3110112220220021
4121130222131
53201433010
6354552141
7110462665
oct31345235
913486807
106671005
113847030
122298651
1314c7553
14c591a5
158bb8da
hex65ca9d

6671005 has 8 divisors (see below), whose sum is σ = 8733024. Its totient is φ = 4851600.

The previous prime is 6671003. The next prime is 6671009. The reversal of 6671005 is 5001766.

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

It is not a de Polignac number, because 6671005 - 21 = 6671003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671003) 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 7 ways as a sum of consecutive naturals, for example, 60591 + ... + 60700.

It is an arithmetic number, because the mean of its divisors is an integer number (1091628).

Almost surely, 26671005 is an apocalyptic number.

It is an amenable number.

6671005 is a deficient number, since it is larger than the sum of its proper divisors (2062019).

6671005 is a wasteful number, since it uses less digits than its factorization.

6671005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121307.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 6671005 is about 2582.8288754774. The cubic root of 6671005 is about 188.2480222034.

The spelling of 6671005 in words is "six million, six hundred seventy-one thousand, five".

Divisors: 1 5 11 55 121291 606455 1334201 6671005