Base | Representation |
---|---|
bin | 1000001000111… |
… | …11100001000000 |
3 | 11202111022111200 |
4 | 10010133201000 |
5 | 114440132103 |
6 | 10435341200 |
7 | 1456266042 |
oct | 404374100 |
9 | 152438450 |
10 | 68286528 |
11 | 35600752 |
12 | 1aa51800 |
13 | 111bb93b |
14 | 90d7a92 |
15 | 5edd0a3 |
hex | 411f840 |
68286528 has 84 divisors (see below), whose sum is σ = 197803008. Its totient is φ = 22521600.
The previous prime is 68286523. The next prime is 68286553. The reversal of 68286528 is 82568286.
It is not an unprimeable number, because it can be changed into a prime (68286523) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58753 + ... + 59903.
Almost surely, 268286528 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 68286528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98901504).
68286528 is an abundant number, since it is smaller than the sum of its proper divisors (129516480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68286528 is a wasteful number, since it uses less digits than its factorization.
68286528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1272 (or 1259 counting only the distinct ones).
The product of its digits is 368640, while the sum is 45.
The square root of 68286528 is about 8263.5663003330. The cubic root of 68286528 is about 408.7379953268.
The spelling of 68286528 in words is "sixty-eight million, two hundred eighty-six thousand, five hundred twenty-eight".
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