| Base | Representation |
|---|---|
| bin | 100100011101… |
| … | …1111010000000 |
| 3 | 1022222101100200 |
| 4 | 1020323322000 |
| 5 | 14343312434 |
| 6 | 1521445200 |
| 7 | 321341460 |
| oct | 110737200 |
| 9 | 38871320 |
| 10 | 19119744 |
| 11 | a879a46 |
| 12 | 64a0800 |
| 13 | 3c65877 |
| 14 | 2779ba0 |
| 15 | 1a2a199 |
| hex | 123be80 |
19119744 has 96 divisors (see below), whose sum is σ = 62905440. Its totient is φ = 5460480.
The previous prime is 19119733. The next prime is 19119769. The reversal of 19119744 is 44791191.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×191197442 = 731129221251072, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 19119699 and 19119708.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6879 + ... + 9249.
It is an arithmetic number, because the mean of its divisors is an integer number (655265).
Almost surely, 219119744 is an apocalyptic number.
19119744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19119744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31452720).
19119744 is an abundant number, since it is smaller than the sum of its proper divisors (43785696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19119744 is a wasteful number, since it uses less digits than its factorization.
19119744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2398 (or 2383 counting only the distinct ones).
The product of its digits is 9072, while the sum is 36.
The square root of 19119744 is about 4372.6129487985. The cubic root of 19119744 is about 267.3995616759.
The spelling of 19119744 in words is "nineteen million, one hundred nineteen thousand, seven hundred forty-four".
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