Base | Representation |
---|---|
bin | 111110110101… |
… | …000000100001 |
3 | 1010222202122211 |
4 | 332311000201 |
5 | 13204020144 |
6 | 1345002121 |
7 | 256664431 |
oct | 76650041 |
9 | 33882584 |
10 | 16470049 |
11 | 932a212 |
12 | 5623341 |
13 | 35487bb |
14 | 228a2c1 |
15 | 16a5034 |
hex | fb5021 |
16470049 has 4 divisors (see below), whose sum is σ = 16492564. Its totient is φ = 16447536.
The previous prime is 16470043. The next prime is 16470053. The reversal of 16470049 is 94007461.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94007461 = 271 ⋅346891.
It can be written as a sum of positive squares in 2 ways, for example, as 13010449 + 3459600 = 3607^2 + 1860^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-16470049 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 16470049.
It is not an unprimeable number, because it can be changed into a prime (16470043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10122 + ... + 11635.
It is an arithmetic number, because the mean of its divisors is an integer number (4123141).
Almost surely, 216470049 is an apocalyptic number.
It is an amenable number.
16470049 is a deficient number, since it is larger than the sum of its proper divisors (22515).
16470049 is an equidigital number, since it uses as much as digits as its factorization.
16470049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22514.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 16470049 is about 4058.3308145098. The cubic root of 16470049 is about 254.4280349710.
The spelling of 16470049 in words is "sixteen million, four hundred seventy thousand, forty-nine".
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