Base | Representation |
---|---|
bin | 11010001100110101111001 |
3 | 110220221121011 |
4 | 122030311321 |
5 | 3224241340 |
6 | 403113521 |
7 | 112244221 |
oct | 32146571 |
9 | 13827534 |
10 | 6868345 |
11 | 3971320 |
12 | 23728a1 |
13 | 1566313 |
14 | cab081 |
15 | 90a0ea |
hex | 68cd79 |
6868345 has 16 divisors (see below), whose sum is σ = 9186048. Its totient is φ = 4887040.
The previous prime is 6868319. The next prime is 6868363. The reversal of 6868345 is 5438686.
It is not a de Polignac number, because 6868345 - 217 = 6737273 is a prime.
It is a Duffinian number.
6868345 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 6868298 and 6868307.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 1257 + ... + 3913.
It is an arithmetic number, because the mean of its divisors is an integer number (574128).
Almost surely, 26868345 is an apocalyptic number.
It is an amenable number.
6868345 is a deficient number, since it is larger than the sum of its proper divisors (2317703).
6868345 is a wasteful number, since it uses less digits than its factorization.
6868345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2720.
The product of its digits is 138240, while the sum is 40.
The square root of 6868345 is about 2620.7527544582. The cubic root of 6868345 is about 190.0862489307.
The spelling of 6868345 in words is "six million, eight hundred sixty-eight thousand, three hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.105 sec. • engine limits •