Base | Representation |
---|---|
bin | 1000000100110… |
… | …11101110010000 |
3 | 11201110220000012 |
4 | 10002123232100 |
5 | 114320343304 |
6 | 10420014052 |
7 | 1451560154 |
oct | 402335620 |
9 | 151426005 |
10 | 67746704 |
11 | 35272113 |
12 | 1a831328 |
13 | 1106000c |
14 | 8dd7064 |
15 | 5e3316e |
hex | 409bb90 |
67746704 has 60 divisors (see below), whose sum is σ = 142724124. Its totient is φ = 31124736.
The previous prime is 67746703. The next prime is 67746727. The reversal of 67746704 is 40764776.
It can be written as a sum of positive squares in 2 ways, for example, as 30780304 + 36966400 = 5548^2 + 6080^2 .
It is not an unprimeable number, because it can be changed into a prime (67746703) 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 11 ways as a sum of consecutive naturals, for example, 213554 + ... + 213870.
Almost surely, 267746704 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 67746704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71362062).
67746704 is an abundant number, since it is smaller than the sum of its proper divisors (74977420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67746704 is a wasteful number, since it uses less digits than its factorization.
67746704 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400 (or 375 counting only the distinct ones).
The product of its (nonzero) digits is 197568, while the sum is 41.
The square root of 67746704 is about 8230.8385964007. The cubic root of 67746704 is about 407.6580821174.
The spelling of 67746704 in words is "sixty-seven million, seven hundred forty-six thousand, seven hundred four".
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