Base | Representation |
---|---|
bin | 1000001010001… |
… | …11100010010000 |
3 | 11202210122100210 |
4 | 10011013202100 |
5 | 120010403243 |
6 | 10443044120 |
7 | 1460550663 |
oct | 405074220 |
9 | 152718323 |
10 | 68450448 |
11 | 35702920 |
12 | 1ab10640 |
13 | 11248431 |
14 | 913b6da |
15 | 6021933 |
hex | 4147890 |
68450448 has 40 divisors (see below), whose sum is σ = 192907296. Its totient is φ = 20742400.
The previous prime is 68450441. The next prime is 68450491. The reversal of 68450448 is 84405486.
It is not an unprimeable number, because it can be changed into a prime (68450441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64293 + ... + 65348.
Almost surely, 268450448 is an apocalyptic number.
It is an amenable number.
68450448 is an abundant number, since it is smaller than the sum of its proper divisors (124456848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68450448 is a wasteful number, since it uses less digits than its factorization.
68450448 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129663 (or 129657 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 39.
The square root of 68450448 is about 8273.4785912577. The cubic root of 68450448 is about 409.0647888867.
The spelling of 68450448 in words is "sixty-eight million, four hundred fifty thousand, four hundred forty-eight".
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