Base | Representation |
---|---|
bin | 1000001001111… |
… | …01000110010111 |
3 | 11202201110201122 |
4 | 10010331012113 |
5 | 120003021303 |
6 | 10442114155 |
7 | 1460312240 |
oct | 404750627 |
9 | 152643648 |
10 | 68407703 |
11 | 356837a1 |
12 | 1aaab95b |
13 | 11231b40 |
14 | 9129cc7 |
15 | 6013e38 |
hex | 413d197 |
68407703 has 16 divisors (see below), whose sum is σ = 84596736. Its totient is φ = 53866080.
The previous prime is 68407697. The next prime is 68407741. The reversal of 68407703 is 30770486.
It is a cyclic number.
It is not a de Polignac number, because 68407703 - 212 = 68403607 is a prime.
It is a super-2 number, since 2×684077032 = 9359227659472418, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68407753) by changing a digit.
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, 18608 + ... + 21978.
It is an arithmetic number, because the mean of its divisors is an integer number (5287296).
Almost surely, 268407703 is an apocalyptic number.
68407703 is a deficient number, since it is larger than the sum of its proper divisors (16189033).
68407703 is a wasteful number, since it uses less digits than its factorization.
68407703 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3614.
The product of its (nonzero) digits is 28224, while the sum is 35.
The square root of 68407703 is about 8270.8949334398. The cubic root of 68407703 is about 408.9796220939.
The spelling of 68407703 in words is "sixty-eight million, four hundred seven thousand, seven hundred three".
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