Search a number
-
+
6490197 = 327214717
BaseRepresentation
bin11000110000100001010101
3110012201212200
4120300201111
53130141242
6351035113
7106110600
oct30604125
913181780
106490197
1137331aa
12220ba99
13146316c
14c0d337
1588304c
hex630855

6490197 has 18 divisors (see below), whose sum is σ = 10906038. Its totient is φ = 3708432.

The previous prime is 6490193. The next prime is 6490201. The reversal of 6490197 is 7910946.

6490197 is a `hidden beast` number, since 649 + 0 + 1 + 9 + 7 = 666.

6490197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6490193) and next prime (6490201).

It can be written as a sum of positive squares in only one way, i.e., 4955076 + 1535121 = 2226^2 + 1239^2 .

It is not a de Polignac number, because 6490197 - 22 = 6490193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490193) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6918 + ... + 7799.

It is an arithmetic number, because the mean of its divisors is an integer number (605891).

Almost surely, 26490197 is an apocalyptic number.

It is an amenable number.

6490197 is a deficient number, since it is larger than the sum of its proper divisors (4415841).

6490197 is a wasteful number, since it uses less digits than its factorization.

6490197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14737 (or 14727 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 6490197 is about 2547.5865049101. The cubic root of 6490197 is about 186.5316906187.

The spelling of 6490197 in words is "six million, four hundred ninety thousand, one hundred ninety-seven".

Divisors: 1 3 7 9 21 49 63 147 441 14717 44151 103019 132453 309057 721133 927171 2163399 6490197