Base | Representation |
---|---|
bin | 100100100000… |
… | …1111000000000 |
3 | 1100000121220011 |
4 | 1021001320000 |
5 | 14400103232 |
6 | 1522154304 |
7 | 321502654 |
oct | 111017000 |
9 | 40017804 |
10 | 19144192 |
11 | a896351 |
12 | 64b2994 |
13 | 3c73a32 |
14 | 2784a64 |
15 | 1a32547 |
hex | 1241e00 |
19144192 has 40 divisors (see below), whose sum is σ = 38669400. Its totient is φ = 9467904.
The previous prime is 19144163. The next prime is 19144201. The reversal of 19144192 is 29144191.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71034 + ... + 71302.
It is an arithmetic number, because the mean of its divisors is an integer number (966735).
Almost surely, 219144192 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19144192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19334700).
19144192 is an abundant number, since it is smaller than the sum of its proper divisors (19525208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19144192 is an equidigital number, since it uses as much as digits as its factorization.
19144192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 426 (or 410 counting only the distinct ones).
The product of its digits is 2592, while the sum is 31.
The square root of 19144192 is about 4375.4076381521. The cubic root of 19144192 is about 267.5134857964.
Subtracting 19144192 from its reverse (29144191), we obtain a palindrome (9999999).
The spelling of 19144192 in words is "nineteen million, one hundred forty-four thousand, one hundred ninety-two".
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