Base | Representation |
---|---|
bin | 100101001011… |
… | …0000110111110 |
3 | 1100200011011202 |
4 | 1022112012332 |
5 | 14442123324 |
6 | 1533415502 |
7 | 324440603 |
oct | 112260676 |
9 | 40604152 |
10 | 19489214 |
11 | 10001598 |
12 | 663a592 |
13 | 4064aa4 |
14 | 28346aa |
15 | 1a9e8ae |
hex | 12961be |
19489214 has 8 divisors (see below), whose sum is σ = 29276640. Its totient is φ = 9730336.
The previous prime is 19489199. The next prime is 19489219. The reversal of 19489214 is 41298491.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19489219) 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 in 3 ways as a sum of consecutive naturals, for example, 5339 + ... + 8214.
It is an arithmetic number, because the mean of its divisors is an integer number (3659580).
Almost surely, 219489214 is an apocalyptic number.
19489214 is a deficient number, since it is larger than the sum of its proper divisors (9787426).
19489214 is a wasteful number, since it uses less digits than its factorization.
19489214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14274.
The product of its digits is 20736, while the sum is 38.
The square root of 19489214 is about 4414.6589902279. The cubic root of 19489214 is about 269.1109946727.
The spelling of 19489214 in words is "nineteen million, four hundred eighty-nine thousand, two hundred fourteen".
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