Base | Representation |
---|---|
bin | 1000001100001… |
… | …11110010000000 |
3 | 11210022000100011 |
4 | 10012013302000 |
5 | 120042313400 |
6 | 10452434304 |
7 | 1463025124 |
oct | 406076200 |
9 | 153260304 |
10 | 68713600 |
11 | 358725aa |
12 | 1b018994 |
13 | 1130b147 |
14 | 91a9584 |
15 | 60748ba |
hex | 4187c80 |
68713600 has 96 divisors (see below), whose sum is σ = 172170900. Its totient is φ = 27095040.
The previous prime is 68713571. The next prime is 68713637. The reversal of 68713600 is 631786.
It can be written as a sum of positive squares in 6 ways, for example, as 52649536 + 16064064 = 7256^2 + 4008^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348702 + ... + 348898.
Almost surely, 268713600 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 68713600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86085450).
68713600 is an abundant number, since it is smaller than the sum of its proper divisors (103457300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68713600 is a wasteful number, since it uses less digits than its factorization.
68713600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 330 (or 313 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 68713600 is about 8289.3666826845. The cubic root of 68713600 is about 409.5883236418.
The spelling of 68713600 in words is "sixty-eight million, seven hundred thirteen thousand, six hundred".
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