Base | Representation |
---|---|
bin | 1000000001001… |
… | …11110101001100 |
3 | 11200120202212000 |
4 | 10000213311030 |
5 | 114210201022 |
6 | 10401512300 |
7 | 1444542213 |
oct | 400476514 |
9 | 150522760 |
10 | 67272012 |
11 | 34a78505 |
12 | 1a642690 |
13 | 10c24c32 |
14 | 8d1207a |
15 | 5d8c6ac |
hex | 4027d4c |
67272012 has 24 divisors (see below), whose sum is σ = 174409200. Its totient is φ = 22423968.
The previous prime is 67271983. The next prime is 67272013. The reversal of 67272012 is 21027276.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (67272013) 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 7 ways as a sum of consecutive naturals, for example, 311337 + ... + 311552.
It is an arithmetic number, because the mean of its divisors is an integer number (7267050).
Almost surely, 267272012 is an apocalyptic number.
It is an amenable number.
67272012 is an abundant number, since it is smaller than the sum of its proper divisors (107137188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67272012 is a wasteful number, since it uses less digits than its factorization.
67272012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 622902 (or 622894 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 67272012 is about 8201.9517189508. The cubic root of 67272012 is about 406.7037145620.
Adding to 67272012 its reverse (21027276), we get a palindrome (88299288).
The spelling of 67272012 in words is "sixty-seven million, two hundred seventy-two thousand, twelve".
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