Base | Representation |
---|---|
bin | 1000001100100… |
… | …00001101110110 |
3 | 11210100202201210 |
4 | 10012100031312 |
5 | 120044420100 |
6 | 10453302250 |
7 | 1463230632 |
oct | 406201566 |
9 | 153322653 |
10 | 68748150 |
11 | 35896559 |
12 | 1b034986 |
13 | 11320aa3 |
14 | 91b7dc2 |
15 | 607ec50 |
hex | 4190376 |
68748150 has 48 divisors (see below), whose sum is σ = 177917184. Its totient is φ = 17534880.
The previous prime is 68748133. The next prime is 68748151. The reversal of 68748150 is 5184786.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 68748099 and 68748108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68748151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6514 + ... + 13413.
It is an arithmetic number, because the mean of its divisors is an integer number (3706608).
Almost surely, 268748150 is an apocalyptic number.
68748150 is an abundant number, since it is smaller than the sum of its proper divisors (109169034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68748150 is a wasteful number, since it uses less digits than its factorization.
68748150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19965 (or 19960 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 39.
The square root of 68748150 is about 8291.4504159405. The cubic root of 68748150 is about 409.6569607356.
The spelling of 68748150 in words is "sixty-eight million, seven hundred forty-eight thousand, one hundred fifty".
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