Base | Representation |
---|---|
bin | 11010101011010010111111 |
3 | 111011021201020 |
4 | 122223102333 |
5 | 3242234322 |
6 | 405515223 |
7 | 113304003 |
oct | 32532277 |
9 | 14137636 |
10 | 6993087 |
11 | 3a47012 |
12 | 2412b13 |
13 | 15ab02a |
14 | d00703 |
15 | 93205c |
hex | 6ab4bf |
6993087 has 8 divisors (see below), whose sum is σ = 9353136. Its totient is φ = 4647552.
The previous prime is 6993079. The next prime is 6993131. The reversal of 6993087 is 7803996.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6993087 - 23 = 6993079 is a prime.
6993087 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6993067) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2448 + ... + 4469.
It is an arithmetic number, because the mean of its divisors is an integer number (1169142).
Almost surely, 26993087 is an apocalyptic number.
6993087 is a deficient number, since it is larger than the sum of its proper divisors (2360049).
6993087 is a wasteful number, since it uses less digits than its factorization.
6993087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7257.
The product of its (nonzero) digits is 81648, while the sum is 42.
The square root of 6993087 is about 2644.4445541550. Note that the first 3 decimals coincide. The cubic root of 6993087 is about 191.2301256634.
The spelling of 6993087 in words is "six million, nine hundred ninety-three thousand, eighty-seven".
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