Base | Representation |
---|---|
bin | 101010100011110… |
… | …1001100100000000 |
3 | 10200112011101211221 |
4 | 1111013221210000 |
5 | 10411041143413 |
6 | 353412244424 |
7 | 50250245221 |
oct | 12507514400 |
9 | 3615141757 |
10 | 1428068608 |
11 | 67312009a |
12 | 33a310714 |
13 | 199b28615 |
14 | d793b248 |
15 | 8558b68d |
hex | 551e9900 |
1428068608 has 36 divisors (see below), whose sum is σ = 2869514368. Its totient is φ = 709286400.
The previous prime is 1428068569. The next prime is 1428068611. The reversal of 1428068608 is 8068608241.
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, 20185 + ... + 57127.
Almost surely, 21428068608 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1428068608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434757184).
1428068608 is an abundant number, since it is smaller than the sum of its proper divisors (1441445760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1428068608 is an equidigital number, since it uses as much as digits as its factorization.
1428068608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37110 (or 37096 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 43.
The square root of 1428068608 is about 37789.7950245830. The cubic root of 1428068608 is about 1126.1157281303.
The spelling of 1428068608 in words is "one billion, four hundred twenty-eight million, sixty-eight thousand, six hundred eight".
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