Base | Representation |
---|---|
bin | 1000001011011… |
… | …10001011000000 |
3 | 11210002200110010 |
4 | 10011232023000 |
5 | 120030434304 |
6 | 10450304520 |
7 | 1462110243 |
oct | 405561300 |
9 | 153080403 |
10 | 68608704 |
11 | 3580080a |
12 | 1ab88140 |
13 | 112a2488 |
14 | 917d25a |
15 | 6053789 |
hex | 416e2c0 |
68608704 has 56 divisors (see below), whose sum is σ = 187399168. Its totient is φ = 22129920.
The previous prime is 68608691. The next prime is 68608711. The reversal of 68608704 is 40780686.
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, 189 + ... + 11715.
Almost surely, 268608704 is an apocalyptic number.
68608704 is a gapful number since it is divisible by the number (64) 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 68608704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93699584).
68608704 is an abundant number, since it is smaller than the sum of its proper divisors (118790464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68608704 is a wasteful number, since it uses less digits than its factorization.
68608704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11573 (or 11563 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 39.
The square root of 68608704 is about 8283.0371241472. The cubic root of 68608704 is about 409.3797959852.
The spelling of 68608704 in words is "sixty-eight million, six hundred eight thousand, seven hundred four".
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