Base | Representation |
---|---|
bin | 100100011001… |
… | …1101001101101 |
3 | 1022220122222102 |
4 | 1020303221231 |
5 | 14341222213 |
6 | 1521024445 |
7 | 321141056 |
oct | 110635155 |
9 | 38818872 |
10 | 19085933 |
11 | a8565a9 |
12 | 6485125 |
13 | 3c53369 |
14 | 276b72d |
15 | 1a20158 |
hex | 1233a6d |
19085933 has 8 divisors (see below), whose sum is σ = 19420128. Its totient is φ = 18754384.
The previous prime is 19085909. The next prime is 19085953. The reversal of 19085933 is 33958091.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-19085933 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19085903) 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, 18335 + ... + 19347.
It is an arithmetic number, because the mean of its divisors is an integer number (2427516).
Almost surely, 219085933 is an apocalyptic number.
It is an amenable number.
19085933 is a deficient number, since it is larger than the sum of its proper divisors (334195).
19085933 is a wasteful number, since it uses less digits than its factorization.
19085933 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1323.
The product of its (nonzero) digits is 29160, while the sum is 38.
The square root of 19085933 is about 4368.7450143033. The cubic root of 19085933 is about 267.2418472009.
The spelling of 19085933 in words is "nineteen million, eighty-five thousand, nine hundred thirty-three".
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