Base | Representation |
---|---|
bin | 111110110101… |
… | …000000001111 |
3 | 1010222202122011 |
4 | 332311000033 |
5 | 13204020111 |
6 | 1345002051 |
7 | 256664404 |
oct | 76650017 |
9 | 33882564 |
10 | 16470031 |
11 | 932a1a6 |
12 | 5623327 |
13 | 35487a6 |
14 | 228a2ab |
15 | 16a5021 |
hex | fb500f |
16470031 has 2 divisors, whose sum is σ = 16470032. Its totient is φ = 16470030.
The previous prime is 16470029. The next prime is 16470037. The reversal of 16470031 is 13007461.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 16470031 - 21 = 16470029 is a prime.
It is a super-2 number, since 2×164700312 = 542523842281922, which contains 22 as substring.
Together with 16470029, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 16469984 and 16470011.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (16470037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8235015 + 8235016.
It is an arithmetic number, because the mean of its divisors is an integer number (8235016).
Almost surely, 216470031 is an apocalyptic number.
16470031 is a deficient number, since it is larger than the sum of its proper divisors (1).
16470031 is an equidigital number, since it uses as much as digits as its factorization.
16470031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 16470031 is about 4058.3285968487. The cubic root of 16470031 is about 254.4279422834.
Adding to 16470031 its reverse (13007461), we get a palindrome (29477492).
The spelling of 16470031 in words is "sixteen million, four hundred seventy thousand, thirty-one".
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