Base | Representation |
---|---|
bin | 1000000001010… |
… | …11110010100110 |
3 | 11200121121002200 |
4 | 10000223302212 |
5 | 114211210410 |
6 | 10402115330 |
7 | 1444640412 |
oct | 400536246 |
9 | 150547080 |
10 | 67288230 |
11 | 34a89709 |
12 | 1a64bb46 |
13 | 10c2c429 |
14 | 8d17d42 |
15 | 5d923c0 |
hex | 402bca6 |
67288230 has 24 divisors (see below), whose sum is σ = 174949632. Its totient is φ = 17943504.
The previous prime is 67288229. The next prime is 67288231. The reversal of 67288230 is 3288276.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (67288229) and next prime (67288231).
It is a super-3 number, since 3×672882303 (a number of 24 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67288231) 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, 373734 + ... + 373913.
It is an arithmetic number, because the mean of its divisors is an integer number (7289568).
Almost surely, 267288230 is an apocalyptic number.
67288230 is an abundant number, since it is smaller than the sum of its proper divisors (107661402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67288230 is a wasteful number, since it uses less digits than its factorization.
67288230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 747660 (or 747657 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 67288230 is about 8202.9403264927. The cubic root of 67288230 is about 406.7363947741.
The spelling of 67288230 in words is "sixty-seven million, two hundred eighty-eight thousand, two hundred thirty".
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