Base | Representation |
---|---|
bin | 1111111111110… |
… | …0111010011101 |
3 | 11200020211201020 |
4 | 3333330322131 |
5 | 114134034341 |
6 | 10354034353 |
7 | 1443210543 |
oct | 377747235 |
9 | 150224636 |
10 | 67096221 |
11 | 34968425 |
12 | 1a5789b9 |
13 | 10b92c0a |
14 | 8ca7d93 |
15 | 5d55566 |
hex | 3ffce9d |
67096221 has 8 divisors (see below), whose sum is σ = 93351360. Its totient is φ = 42785952.
The previous prime is 67096177. The next prime is 67096223. The reversal of 67096221 is 12269076.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 67096221 - 211 = 67094173 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67096223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486136 + ... + 486273.
It is an arithmetic number, because the mean of its divisors is an integer number (11668920).
Almost surely, 267096221 is an apocalyptic number.
It is an amenable number.
67096221 is a deficient number, since it is larger than the sum of its proper divisors (26255139).
67096221 is a wasteful number, since it uses less digits than its factorization.
67096221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 972435.
The product of its (nonzero) digits is 9072, while the sum is 33.
The square root of 67096221 is about 8191.2282961715. The cubic root of 67096221 is about 406.3491479975.
The spelling of 67096221 in words is "sixty-seven million, ninety-six thousand, two hundred twenty-one".
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