Base | Representation |
---|---|
bin | 11010101011010100001001 |
3 | 111011021210222 |
4 | 122223110021 |
5 | 3242240121 |
6 | 405515425 |
7 | 113304140 |
oct | 32532411 |
9 | 14137728 |
10 | 6993161 |
11 | 3a4707a |
12 | 2412b75 |
13 | 15ab086 |
14 | d00757 |
15 | 9320ab |
hex | 6ab509 |
6993161 has 4 divisors (see below), whose sum is σ = 7992192. Its totient is φ = 5994132.
The previous prime is 6993149. The next prime is 6993163. The reversal of 6993161 is 1613996.
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 a cyclic number.
It is not a de Polignac number, because 6993161 - 210 = 6992137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6993163) 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 3 ways as a sum of consecutive naturals, for example, 499505 + ... + 499518.
It is an arithmetic number, because the mean of its divisors is an integer number (1998048).
Almost surely, 26993161 is an apocalyptic number.
It is an amenable number.
6993161 is a deficient number, since it is larger than the sum of its proper divisors (999031).
6993161 is an equidigital number, since it uses as much as digits as its factorization.
6993161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 999030.
The product of its digits is 8748, while the sum is 35.
The square root of 6993161 is about 2644.4585457140. The cubic root of 6993161 is about 191.2308001857.
The spelling of 6993161 in words is "six million, nine hundred ninety-three thousand, one hundred sixty-one".
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