Base | Representation |
---|---|
bin | 1111110101011… |
… | …1011100110011 |
3 | 11121222102000211 |
4 | 3331113130303 |
5 | 114000342413 |
6 | 10331324551 |
7 | 1434355615 |
oct | 375273463 |
9 | 147872024 |
10 | 66418483 |
11 | 3454520a |
12 | 1a2b0757 |
13 | 109b65a1 |
14 | 8b6cdb5 |
15 | 5c6e83d |
hex | 3f57733 |
66418483 has 8 divisors (see below), whose sum is σ = 69194160. Its totient is φ = 63697920.
The previous prime is 66418427. The next prime is 66418489. The reversal of 66418483 is 38481466.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-66418483 is a prime.
It is a super-2 number, since 2×664184832 = 8822829768042578, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (66418489) 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, 11310 + ... + 16147.
It is an arithmetic number, because the mean of its divisors is an integer number (8649270).
Almost surely, 266418483 is an apocalyptic number.
66418483 is a deficient number, since it is larger than the sum of its proper divisors (2775677).
66418483 is a wasteful number, since it uses less digits than its factorization.
66418483 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27557.
The product of its digits is 110592, while the sum is 40.
The square root of 66418483 is about 8149.7535545561. The cubic root of 66418483 is about 404.9763396227.
The spelling of 66418483 in words is "sixty-six million, four hundred eighteen thousand, four hundred eighty-three".
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