Base | Representation |
---|---|
bin | 100100010010… |
… | …1100001110101 |
3 | 1022210201121220 |
4 | 1020211201311 |
5 | 14332344320 |
6 | 1515500553 |
7 | 320510316 |
oct | 110454165 |
9 | 38721556 |
10 | 19028085 |
11 | a81709a |
12 | 6457759 |
13 | 3c32c2b |
14 | 275460d |
15 | 1a0ce40 |
hex | 1225875 |
19028085 has 16 divisors (see below), whose sum is σ = 30507840. Its totient is φ = 10127360.
The previous prime is 19028069. The next prime is 19028099. The reversal of 19028085 is 58082091.
It is a happy number.
It is not a de Polignac number, because 19028085 - 24 = 19028069 is a prime.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 8626 + ... + 10604.
It is an arithmetic number, because the mean of its divisors is an integer number (1906740).
Almost surely, 219028085 is an apocalyptic number.
19028085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
19028085 is a deficient number, since it is larger than the sum of its proper divisors (11479755).
19028085 is a wasteful number, since it uses less digits than its factorization.
19028085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2628.
The product of its (nonzero) digits is 5760, while the sum is 33.
The square root of 19028085 is about 4362.1193243652. The cubic root of 19028085 is about 266.9715774427.
The spelling of 19028085 in words is "nineteen million, twenty-eight thousand, eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.103 sec. • engine limits •