Base | Representation |
---|---|
bin | 1000000110110… |
… | …11110010010100 |
3 | 11201222012221212 |
4 | 10003123302110 |
5 | 114402242413 |
6 | 10425400552 |
7 | 1454032166 |
oct | 403336224 |
9 | 151865855 |
10 | 68009108 |
11 | 35431282 |
12 | 1a939158 |
13 | 1112259b |
14 | 9064936 |
15 | 5e85ca8 |
hex | 40dbc94 |
68009108 has 12 divisors (see below), whose sum is σ = 122232852. Its totient is φ = 33085440.
The previous prime is 68009099. The next prime is 68009111. The reversal of 68009108 is 80190086.
It can be written as a sum of positive squares in 2 ways, for example, as 31382404 + 36626704 = 5602^2 + 6052^2 .
It is a plaindrome in base 13.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229613 + ... + 229908.
It is an arithmetic number, because the mean of its divisors is an integer number (10186071).
Almost surely, 268009108 is an apocalyptic number.
It is an amenable number.
68009108 is a deficient number, since it is larger than the sum of its proper divisors (54223744).
68009108 is a wasteful number, since it uses less digits than its factorization.
68009108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459562 (or 459560 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 32.
The square root of 68009108 is about 8246.7634863624. The cubic root of 68009108 is about 408.1837327677.
The spelling of 68009108 in words is "sixty-eight million, nine thousand, one hundred eight".
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