Base | Representation |
---|---|
bin | 1000001100011… |
… | …11010011111100 |
3 | 11210100120122112 |
4 | 10012033103330 |
5 | 120044310234 |
6 | 10453233152 |
7 | 1463214056 |
oct | 406172374 |
9 | 153316575 |
10 | 68744444 |
11 | 3589379a |
12 | 1b0327b8 |
13 | 1131c1b2 |
14 | 91b68d6 |
15 | 607dace |
hex | 418f4fc |
68744444 has 12 divisors (see below), whose sum is σ = 123100824. Its totient is φ = 33572784.
The previous prime is 68744443. The next prime is 68744449. The reversal of 68744444 is 44444786.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68744443) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199667 + ... + 200010.
It is an arithmetic number, because the mean of its divisors is an integer number (10258402).
Almost surely, 268744444 is an apocalyptic number.
It is an amenable number.
68744444 is a deficient number, since it is larger than the sum of its proper divisors (54356380).
68744444 is a wasteful number, since it uses less digits than its factorization.
68744444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 399724 (or 399722 counting only the distinct ones).
The product of its digits is 344064, while the sum is 41.
The square root of 68744444 is about 8291.2269297131. The cubic root of 68744444 is about 409.6495994904.
The spelling of 68744444 in words is "sixty-eight million, seven hundred forty-four thousand, four hundred forty-four".
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