Base | Representation |
---|---|
bin | 1000000111010… |
… | …00000110000000 |
3 | 11202001210002222 |
4 | 10003220012000 |
5 | 114410401040 |
6 | 10430430212 |
7 | 1454332154 |
oct | 403500600 |
9 | 152053088 |
10 | 68059520 |
11 | 35466141 |
12 | 1a962368 |
13 | 1113c509 |
14 | 9079064 |
15 | 5e95bb5 |
hex | 40e8180 |
68059520 has 128 divisors (see below), whose sum is σ = 178092000. Its totient is φ = 24772608.
The previous prime is 68059513. The next prime is 68059529. The reversal of 68059520 is 2595086.
It is a tau number, because it is divible by the number of its divisors (128).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68059529) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352544 + ... + 352736.
Almost surely, 268059520 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 68059520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89046000).
68059520 is an abundant number, since it is smaller than the sum of its proper divisors (110032480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68059520 is a wasteful number, since it uses less digits than its factorization.
68059520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260 (or 248 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 35.
The square root of 68059520 is about 8249.8193919625. The cubic root of 68059520 is about 408.2845637529.
The spelling of 68059520 in words is "sixty-eight million, fifty-nine thousand, five hundred twenty".
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