Base | Representation |
---|---|
bin | 1000001011100… |
… | …11000010010011 |
3 | 11210010200210000 |
4 | 10011303002103 |
5 | 120032104002 |
6 | 10450541043 |
7 | 1462222314 |
oct | 405630223 |
9 | 153120700 |
10 | 68628627 |
11 | 35814781 |
12 | 1ab97783 |
13 | 112ab572 |
14 | 918660b |
15 | 605961c |
hex | 4173093 |
68628627 has 30 divisors (see below), whose sum is σ = 108245148. Its totient is φ = 43325928.
The previous prime is 68628617. The next prime is 68628647. The reversal of 68628627 is 72682686.
It is a happy number.
It is not a de Polignac number, because 68628627 - 26 = 68628563 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68628607) 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 29 ways as a sum of consecutive naturals, for example, 28068 + ... + 30414.
Almost surely, 268628627 is an apocalyptic number.
68628627 is a deficient number, since it is larger than the sum of its proper divisors (39616521).
68628627 is a wasteful number, since it uses less digits than its factorization.
68628627 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2397 (or 2369 counting only the distinct ones).
The product of its digits is 387072, while the sum is 45.
The square root of 68628627 is about 8284.2396754319. The cubic root of 68628627 is about 409.4194181899.
The spelling of 68628627 in words is "sixty-eight million, six hundred twenty-eight thousand, six hundred twenty-seven".
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