Base | Representation |
---|---|
bin | 1000001001111… |
… | …11101011111101 |
3 | 11202202000021011 |
4 | 10010333223331 |
5 | 120003341201 |
6 | 10442235221 |
7 | 1460355160 |
oct | 404775375 |
9 | 152660234 |
10 | 68418301 |
11 | 35690756 |
12 | 1aab5b11 |
13 | 11236903 |
14 | 912dad7 |
15 | 6017151 |
hex | 413fafd |
68418301 has 16 divisors (see below), whose sum is σ = 79792128. Its totient is φ = 57456000.
The previous prime is 68418293. The next prime is 68418331. The reversal of 68418301 is 10381486.
It is not a de Polignac number, because 68418301 - 23 = 68418293 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68418331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97251 + ... + 97951.
It is an arithmetic number, because the mean of its divisors is an integer number (4987008).
Almost surely, 268418301 is an apocalyptic number.
It is an amenable number.
68418301 is a deficient number, since it is larger than the sum of its proper divisors (11373827).
68418301 is a wasteful number, since it uses less digits than its factorization.
68418301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 972.
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 68418301 is about 8271.5355889943. The cubic root of 68418301 is about 409.0007412663. Note that the first 3 decimals are identical.
Adding to 68418301 its reverse (10381486), we get a palindrome (78799787).
The spelling of 68418301 in words is "sixty-eight million, four hundred eighteen thousand, three hundred one".
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