Base | Representation |
---|---|
bin | 111111100100… |
… | …011101101010 |
3 | 1011100122021222 |
4 | 333210131222 |
5 | 13231230201 |
6 | 1353102042 |
7 | 261434222 |
oct | 77443552 |
9 | 34318258 |
10 | 16664426 |
11 | 9452259 |
12 | 56b7922 |
13 | 35b610c |
14 | 22db082 |
15 | 16e291b |
hex | fe476a |
16664426 has 4 divisors (see below), whose sum is σ = 24996642. Its totient is φ = 8332212.
The previous prime is 16664411. The next prime is 16664447. The reversal of 16664426 is 62446661.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 14707225 + 1957201 = 3835^2 + 1399^2 .
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4166105 + ... + 4166108.
Almost surely, 216664426 is an apocalyptic number.
16664426 is a deficient number, since it is larger than the sum of its proper divisors (8332216).
16664426 is an equidigital number, since it uses as much as digits as its factorization.
16664426 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8332215.
The product of its digits is 41472, while the sum is 35.
The square root of 16664426 is about 4082.2084709138. The cubic root of 16664426 is about 255.4250299915.
The spelling of 16664426 in words is "sixteen million, six hundred sixty-four thousand, four hundred twenty-six".
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