Base | Representation |
---|---|
bin | 11010101100011111010001 |
3 | 111011112102001 |
4 | 122230133101 |
5 | 3242413334 |
6 | 405554001 |
7 | 113324146 |
oct | 32543721 |
9 | 14145361 |
10 | 6997969 |
11 | 3a4a750 |
12 | 2415901 |
13 | 15b0314 |
14 | d023cd |
15 | 933714 |
hex | 6ac7d1 |
6997969 has 8 divisors (see below), whose sum is σ = 7653312. Its totient is φ = 6345840.
The previous prime is 6997967. The next prime is 6998009. The reversal of 6997969 is 9697996.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 6997969 - 21 = 6997967 is a prime.
It is a super-2 number, since 2×69979692 = 97943140249922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6997967) 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, 8092 + ... + 8914.
It is an arithmetic number, because the mean of its divisors is an integer number (956664).
Almost surely, 26997969 is an apocalyptic number.
It is an amenable number.
6997969 is a deficient number, since it is larger than the sum of its proper divisors (655343).
6997969 is a wasteful number, since it uses less digits than its factorization.
6997969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1607.
The product of its digits is 1653372, while the sum is 55.
The square root of 6997969 is about 2645.3674602973. The cubic root of 6997969 is about 191.2746157104.
It can be divided in two parts, 699 and 7969, that added together give a palindrome (8668).
The spelling of 6997969 in words is "six million, nine hundred ninety-seven thousand, nine hundred sixty-nine".
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