Base | Representation |
---|---|
bin | 100100010100… |
… | …1011011100111 |
3 | 1022211112112222 |
4 | 1020221123213 |
5 | 14333402241 |
6 | 1520102555 |
7 | 320605034 |
oct | 110513347 |
9 | 38745488 |
10 | 19044071 |
11 | a828102 |
12 | 6464a5b |
13 | 3c3a2a7 |
14 | 275a38b |
15 | 1a12a4b |
hex | 12296e7 |
19044071 has 8 divisors (see below), whose sum is σ = 19510464. Its totient is φ = 18580320.
The previous prime is 19044043. The next prime is 19044133. The reversal of 19044071 is 17044091.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 19044071 - 210 = 19043047 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 19044071.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19044001) 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 7 ways as a sum of consecutive naturals, for example, 28481 + ... + 29141.
It is an arithmetic number, because the mean of its divisors is an integer number (2438808).
Almost surely, 219044071 is an apocalyptic number.
19044071 is a deficient number, since it is larger than the sum of its proper divisors (466393).
19044071 is an equidigital number, since it uses as much as digits as its factorization.
19044071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1321.
The product of its (nonzero) digits is 1008, while the sum is 26.
The square root of 19044071 is about 4363.9513058695. The cubic root of 19044071 is about 267.0463198218.
The spelling of 19044071 in words is "nineteen million, forty-four thousand, seventy-one".
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