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16494141 = 35498047
BaseRepresentation
bin111110111010…
…111000111101
31011000222201010
4332322320331
513210303031
61345305433
7260124606
oct76727075
934028633
1016494141
119346324
125635279
133556761
142294dad
1516ac246
hexfbae3d

16494141 has 4 divisors (see below), whose sum is σ = 21992192. Its totient is φ = 10996092.

The previous prime is 16494091. The next prime is 16494167. The reversal of 16494141 is 14149461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14149461 = 34716487.

It is not a de Polignac number, because 16494141 - 219 = 15969853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16494099 and 16494108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16494041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2749021 + ... + 2749026.

It is an arithmetic number, because the mean of its divisors is an integer number (5498048).

Almost surely, 216494141 is an apocalyptic number.

It is an amenable number.

16494141 is a deficient number, since it is larger than the sum of its proper divisors (5498051).

16494141 is an equidigital number, since it uses as much as digits as its factorization.

16494141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498050.

The product of its digits is 3456, while the sum is 30.

The square root of 16494141 is about 4061.2979452387. The cubic root of 16494141 is about 254.5520316444.

The spelling of 16494141 in words is "sixteen million, four hundred ninety-four thousand, one hundred forty-one".

Divisors: 1 3 5498047 16494141