Base | Representation |
---|---|
bin | 111111100011… |
… | …111000111001 |
3 | 1011100112001211 |
4 | 333203320321 |
5 | 13231141243 |
6 | 1353043121 |
7 | 261424321 |
oct | 77437071 |
9 | 34315054 |
10 | 16662073 |
11 | 945050a |
12 | 56b64a1 |
13 | 35b501c |
14 | 22da281 |
15 | 16e1d9d |
hex | fe3e39 |
16662073 has 2 divisors, whose sum is σ = 16662074. Its totient is φ = 16662072.
The previous prime is 16662049. The next prime is 16662103. The reversal of 16662073 is 37026661.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 15586704 + 1075369 = 3948^2 + 1037^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-16662073 is a prime.
It is not a weakly prime, because it can be changed into another prime (16662043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8331036 + 8331037.
It is an arithmetic number, because the mean of its divisors is an integer number (8331037).
Almost surely, 216662073 is an apocalyptic number.
It is an amenable number.
16662073 is a deficient number, since it is larger than the sum of its proper divisors (1).
16662073 is an equidigital number, since it uses as much as digits as its factorization.
16662073 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 16662073 is about 4081.9202588978. The cubic root of 16662073 is about 255.4130075075.
The spelling of 16662073 in words is "sixteen million, six hundred sixty-two thousand, seventy-three".
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