Base | Representation |
---|---|
bin | 11010001100111010001000 |
3 | 110220221222012 |
4 | 122030322020 |
5 | 3224243431 |
6 | 403115052 |
7 | 112245056 |
oct | 32147210 |
9 | 13827865 |
10 | 6868616 |
11 | 3971547 |
12 | 2372a88 |
13 | 1566491 |
14 | cab1d6 |
15 | 90a22b |
hex | 68ce88 |
6868616 has 8 divisors (see below), whose sum is σ = 12878670. Its totient is φ = 3434304.
The previous prime is 6868613. The next prime is 6868649. The reversal of 6868616 is 6168686.
It can be written as a sum of positive squares in only one way, i.e., 6300100 + 568516 = 2510^2 + 754^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (6868613) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429281 + ... + 429296.
Almost surely, 26868616 is an apocalyptic number.
It is an amenable number.
6868616 is a deficient number, since it is larger than the sum of its proper divisors (6010054).
6868616 is a wasteful number, since it uses less digits than its factorization.
6868616 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 858583 (or 858579 counting only the distinct ones).
The product of its digits is 82944, while the sum is 41.
The square root of 6868616 is about 2620.8044566507. The cubic root of 6868616 is about 190.0887489360.
The spelling of 6868616 in words is "six million, eight hundred sixty-eight thousand, six hundred sixteen".
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