Base | Representation |
---|---|
bin | 111111111001… |
… | …010111011010 |
3 | 1011111222201221 |
4 | 333321113122 |
5 | 13242000132 |
6 | 1355002254 |
7 | 262241641 |
oct | 77712732 |
9 | 34458657 |
10 | 16750042 |
11 | 9500611 |
12 | 573938a |
13 | 361608a |
14 | 2320358 |
15 | 170ce97 |
hex | ff95da |
16750042 has 12 divisors (see below), whose sum is σ = 25407198. Its totient is φ = 8282000.
The previous prime is 16750021. The next prime is 16750061. The reversal of 16750042 is 24005761.
It can be written as a sum of positive squares in 3 ways, for example, as 16654561 + 95481 = 4081^2 + 309^2 .
It is a junction number, because it is equal to n+sod(n) for n = 16749989 and 16750016.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19992 + ... + 20812.
Almost surely, 216750042 is an apocalyptic number.
16750042 is a deficient number, since it is larger than the sum of its proper divisors (8657156).
16750042 is an equidigital number, since it uses as much as digits as its factorization.
16750042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1025 (or 924 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 16750042 is about 4092.6815170497. The cubic root of 16750042 is about 255.8617111998.
The spelling of 16750042 in words is "sixteen million, seven hundred fifty thousand, forty-two".
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