Base | Representation |
---|---|
bin | 1111110100011… |
… | …0010000110111 |
3 | 11121211211110120 |
4 | 3331012100313 |
5 | 113441114322 |
6 | 10330023023 |
7 | 1433643441 |
oct | 375062067 |
9 | 147754416 |
10 | 66348087 |
11 | 344a7333 |
12 | 1a277a73 |
13 | 10990530 |
14 | 8b51491 |
15 | 5c58a5c |
hex | 3f46437 |
66348087 has 8 divisors (see below), whose sum is σ = 95269104. Its totient is φ = 40829568.
The previous prime is 66348049. The next prime is 66348089. The reversal of 66348087 is 78084366.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 66348087 - 211 = 66346039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66348089) 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, 850578 + ... + 850655.
It is an arithmetic number, because the mean of its divisors is an integer number (11908638).
Almost surely, 266348087 is an apocalyptic number.
66348087 is a deficient number, since it is larger than the sum of its proper divisors (28921017).
66348087 is a wasteful number, since it uses less digits than its factorization.
66348087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1701249.
The product of its (nonzero) digits is 193536, while the sum is 42.
The square root of 66348087 is about 8145.4335059590. The cubic root of 66348087 is about 404.8332128351.
The spelling of 66348087 in words is "sixty-six million, three hundred forty-eight thousand, eighty-seven".
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