Base | Representation |
---|---|
bin | 1000000111010… |
… | …00011011101001 |
3 | 11202001212000021 |
4 | 10003220123221 |
5 | 114410422110 |
6 | 10430440441 |
7 | 1454336203 |
oct | 403503351 |
9 | 152055007 |
10 | 68060905 |
11 | 35467190 |
12 | 1a963121 |
13 | 11140033 |
14 | 9079773 |
15 | 5e962da |
hex | 40e86e9 |
68060905 has 8 divisors (see below), whose sum is σ = 89097984. Its totient is φ = 49498800.
The previous prime is 68060899. The next prime is 68060921. The reversal of 68060905 is 50906086.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68060905 - 223 = 59672297 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618681 + ... + 618790.
It is an arithmetic number, because the mean of its divisors is an integer number (11137248).
Almost surely, 268060905 is an apocalyptic number.
It is an amenable number.
68060905 is a deficient number, since it is larger than the sum of its proper divisors (21037079).
68060905 is a wasteful number, since it uses less digits than its factorization.
68060905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1237487.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 68060905 is about 8249.9033327670. The cubic root of 68060905 is about 408.2873332419.
The spelling of 68060905 in words is "sixty-eight million, sixty thousand, nine hundred five".
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