Base | Representation |
---|---|
bin | 1000001101000… |
… | …11110100010000 |
3 | 11210111211212012 |
4 | 10012203310100 |
5 | 120110002212 |
6 | 10455122052 |
7 | 1464013661 |
oct | 406436420 |
9 | 153454765 |
10 | 68828432 |
11 | 35940902 |
12 | 1b073328 |
13 | 1134b4aa |
14 | 91d9368 |
15 | 6098922 |
hex | 41a3d10 |
68828432 has 40 divisors (see below), whose sum is σ = 138562560. Its totient is φ = 33085440.
The previous prime is 68828341. The next prime is 68828447. The reversal of 68828432 is 23482886.
It is a self number, because there is not a number n which added to its sum of digits gives 68828432.
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, 95369 + ... + 96087.
It is an arithmetic number, because the mean of its divisors is an integer number (3464064).
Almost surely, 268828432 is an apocalyptic number.
68828432 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68828432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69281280).
68828432 is an abundant number, since it is smaller than the sum of its proper divisors (69734128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68828432 is a wasteful number, since it uses less digits than its factorization.
68828432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 951 (or 945 counting only the distinct ones).
The product of its digits is 147456, while the sum is 41.
The square root of 68828432 is about 8296.2902552888. The cubic root of 68828432 is about 409.8163603535.
The spelling of 68828432 in words is "sixty-eight million, eight hundred twenty-eight thousand, four hundred thirty-two".
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