Base | Representation |
---|---|
bin | 1111111111101… |
… | …0111101011000 |
3 | 11200020102201202 |
4 | 3333322331120 |
5 | 114133310331 |
6 | 10353533332 |
7 | 1443145316 |
oct | 377727530 |
9 | 150212652 |
10 | 67088216 |
11 | 34962408 |
12 | 1a574248 |
13 | 10b8c390 |
14 | 8ca50b6 |
15 | 5d52ecb |
hex | 3ffaf58 |
67088216 has 32 divisors (see below), whose sum is σ = 139843200. Its totient is φ = 29963520.
The previous prime is 67088209. The next prime is 67088249. The reversal of 67088216 is 61288076.
It is a self number, because there is not a number n which added to its sum of digits gives 67088216.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7181 + ... + 13628.
It is an arithmetic number, because the mean of its divisors is an integer number (4370100).
Almost surely, 267088216 is an apocalyptic number.
It is an amenable number.
67088216 is an abundant number, since it is smaller than the sum of its proper divisors (72754984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67088216 is a wasteful number, since it uses less digits than its factorization.
67088216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20859 (or 20855 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 67088216 is about 8190.7396491404. The cubic root of 67088216 is about 406.3329873542.
The spelling of 67088216 in words is "sixty-seven million, eighty-eight thousand, two hundred sixteen".
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