Base | Representation |
---|---|
bin | 100100010011… |
… | …0101011110011 |
3 | 1022210222010020 |
4 | 1020212223303 |
5 | 14333022234 |
6 | 1515534523 |
7 | 320530161 |
oct | 110465363 |
9 | 38728106 |
10 | 19032819 |
11 | a81a703 |
12 | 645a443 |
13 | 3c35130 |
14 | 2756231 |
15 | 1a0e549 |
hex | 1226af3 |
19032819 has 8 divisors (see below), whose sum is σ = 27329232. Its totient is φ = 11712480.
The previous prime is 19032781. The next prime is 19032821. The reversal of 19032819 is 91823091.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 19032819 - 27 = 19032691 is a prime.
It is a super-2 number, since 2×190328192 = 724496398173522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 19032819.
It is not an unprimeable number, because it can be changed into a prime (19032829) 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, 243972 + ... + 244049.
It is an arithmetic number, because the mean of its divisors is an integer number (3416154).
Almost surely, 219032819 is an apocalyptic number.
19032819 is a deficient number, since it is larger than the sum of its proper divisors (8296413).
19032819 is a wasteful number, since it uses less digits than its factorization.
19032819 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 488037.
The product of its (nonzero) digits is 3888, while the sum is 33.
The square root of 19032819 is about 4362.6619167660. The cubic root of 19032819 is about 266.9937155726.
The spelling of 19032819 in words is "nineteen million, thirty-two thousand, eight hundred nineteen".
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