Base | Representation |
---|---|
bin | 1000000010000… |
… | …10010000001110 |
3 | 11200210021022101 |
4 | 10001002100032 |
5 | 114222131423 |
6 | 10404105314 |
7 | 1445502562 |
oct | 401022016 |
9 | 150707271 |
10 | 67380238 |
11 | 35041852 |
12 | 1a69523a |
13 | 10c62283 |
14 | 8d3d6a2 |
15 | 5dae7ad |
hex | 404240e |
67380238 has 4 divisors (see below), whose sum is σ = 101070360. Its totient is φ = 33690118.
The previous prime is 67380233. The next prime is 67380259. The reversal of 67380238 is 83208376.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 67380197 and 67380206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67380233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16845058 + ... + 16845061.
It is an arithmetic number, because the mean of its divisors is an integer number (25267590).
Almost surely, 267380238 is an apocalyptic number.
67380238 is a deficient number, since it is larger than the sum of its proper divisors (33690122).
67380238 is a wasteful number, since it uses less digits than its factorization.
67380238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33690121.
The product of its (nonzero) digits is 48384, while the sum is 37.
The square root of 67380238 is about 8208.5466435904. The cubic root of 67380238 is about 406.9216969095.
The spelling of 67380238 in words is "sixty-seven million, three hundred eighty thousand, two hundred thirty-eight".
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