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6996897 = 32777433
BaseRepresentation
bin11010101100001110100001
3111011110221100
4122230032201
53242400042
6405545013
7113321055
oct32541641
914143840
106996897
113a49966
122415169
1315ac99b
14d01c65
1593324c
hex6ac3a1

6996897 has 6 divisors (see below), whose sum is σ = 10106642. Its totient is φ = 4664592.

The previous prime is 6996851. The next prime is 6996907. The reversal of 6996897 is 7986996.

It can be written as a sum of positive squares in only one way, i.e., 6533136 + 463761 = 2556^2 + 681^2 .

It is not a de Polignac number, because 6996897 - 216 = 6931361 is a prime.

It is a Duffinian number.

6996897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6996097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388708 + ... + 388725.

Almost surely, 26996897 is an apocalyptic number.

It is an amenable number.

6996897 is a deficient number, since it is larger than the sum of its proper divisors (3109745).

6996897 is a wasteful number, since it uses less digits than its factorization.

6996897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777439 (or 777436 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 6996897 is about 2645.1648341833. The cubic root of 6996897 is about 191.2648482641.

Subtracting 6996897 from its reverse (7986996), we obtain a palindrome (990099).

The spelling of 6996897 in words is "six million, nine hundred ninety-six thousand, eight hundred ninety-seven".

Divisors: 1 3 9 777433 2332299 6996897