Base | Representation |
---|---|
bin | 111111110111… |
… | …111011010101 |
3 | 1011111200122200 |
4 | 333313323111 |
5 | 13241303044 |
6 | 1354515113 |
7 | 262215522 |
oct | 77677325 |
9 | 34450580 |
10 | 16744149 |
11 | 94a7144 |
12 | 5735a99 |
13 | 36134a6 |
14 | 231c149 |
15 | 170b369 |
hex | ff7ed5 |
16744149 has 12 divisors (see below), whose sum is σ = 25459200. Its totient is φ = 10575144.
The previous prime is 16744139. The next prime is 16744163. The reversal of 16744149 is 94144761.
It is not a de Polignac number, because 16744149 - 29 = 16743637 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16744139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48789 + ... + 49130.
It is an arithmetic number, because the mean of its divisors is an integer number (2121600).
Almost surely, 216744149 is an apocalyptic number.
16744149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
16744149 is a deficient number, since it is larger than the sum of its proper divisors (8715051).
16744149 is a wasteful number, since it uses less digits than its factorization.
16744149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97944 (or 97941 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 16744149 is about 4091.9615100829. The cubic root of 16744149 is about 255.8317019234.
The spelling of 16744149 in words is "sixteen million, seven hundred forty-four thousand, one hundred forty-nine".
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