Base | Representation |
---|---|
bin | 1000001011100… |
… | …11000010000000 |
3 | 11210010200202022 |
4 | 10011303002000 |
5 | 120032103413 |
6 | 10450541012 |
7 | 1462222256 |
oct | 405630200 |
9 | 153120668 |
10 | 68628608 |
11 | 35814764 |
12 | 1ab97768 |
13 | 112ab559 |
14 | 91865d6 |
15 | 6059608 |
hex | 4173080 |
68628608 has 32 divisors (see below), whose sum is σ = 143922000. Its totient is φ = 32507136.
The previous prime is 68628607. The next prime is 68628617. The reversal of 68628608 is 80682686.
It is a tau number, because it is divible by the number of its divisors (32).
It is not an unprimeable number, because it can be changed into a prime (68628607) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11678 + ... + 16541.
Almost surely, 268628608 is an apocalyptic number.
It is an amenable number.
68628608 is an abundant number, since it is smaller than the sum of its proper divisors (75293392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68628608 is a wasteful number, since it uses less digits than its factorization.
68628608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28252 (or 28240 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 44.
The square root of 68628608 is about 8284.2385286760. The cubic root of 68628608 is about 409.4193804070.
The spelling of 68628608 in words is "sixty-eight million, six hundred twenty-eight thousand, six hundred eight".
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