Base | Representation |
---|---|
bin | 1000001100101… |
… | …00100101010111 |
3 | 11210101200021100 |
4 | 10012110211113 |
5 | 120101003124 |
6 | 10453521143 |
7 | 1463334036 |
oct | 406244527 |
9 | 153350240 |
10 | 68766039 |
11 | 358a8a41 |
12 | 1b0431b3 |
13 | 11328c84 |
14 | 91c071d |
15 | 60851c9 |
hex | 4194957 |
68766039 has 12 divisors (see below), whose sum is σ = 99685872. Its totient is φ = 45679200.
The previous prime is 68766007. The next prime is 68766041. The reversal of 68766039 is 93066786.
It is not a de Polignac number, because 68766039 - 25 = 68766007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68765985 and 68766003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68766539) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11067 + ... + 16124.
It is an arithmetic number, because the mean of its divisors is an integer number (8307156).
Almost surely, 268766039 is an apocalyptic number.
68766039 is a deficient number, since it is larger than the sum of its proper divisors (30919833).
68766039 is a wasteful number, since it uses less digits than its factorization.
68766039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27478 (or 27475 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 45.
The square root of 68766039 is about 8292.5291075763. The cubic root of 68766039 is about 409.6924900205.
The spelling of 68766039 in words is "sixty-eight million, seven hundred sixty-six thousand, thirty-nine".
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