Base | Representation |
---|---|
bin | 1000000110110… |
… | …00101000110100 |
3 | 11201221120021020 |
4 | 10003120220310 |
5 | 114401334322 |
6 | 10425221140 |
7 | 1453646454 |
oct | 403305064 |
9 | 151846236 |
10 | 67996212 |
11 | 35422619 |
12 | 1a9317b0 |
13 | 1111975b |
14 | 905dd64 |
15 | 5e8205c |
hex | 40d8a34 |
67996212 has 48 divisors (see below), whose sum is σ = 169780800. Its totient is φ = 21116160.
The previous prime is 67996199. The next prime is 67996219. The reversal of 67996212 is 21269976.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67996219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11464 + ... + 16352.
It is an arithmetic number, because the mean of its divisors is an integer number (3537100).
Almost surely, 267996212 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 67996212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84890400).
67996212 is an abundant number, since it is smaller than the sum of its proper divisors (101784588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67996212 is a wasteful number, since it uses less digits than its factorization.
67996212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4976 (or 4974 counting only the distinct ones).
The product of its digits is 81648, while the sum is 42.
The square root of 67996212 is about 8245.9815667997. The cubic root of 67996212 is about 408.1579309777.
The spelling of 67996212 in words is "sixty-seven million, nine hundred ninety-six thousand, two hundred twelve".
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