Base | Representation |
---|---|
bin | 100100010010… |
… | …1100110010011 |
3 | 1022210202000111 |
4 | 1020211212103 |
5 | 14332401441 |
6 | 1515502151 |
7 | 320511205 |
oct | 110454623 |
9 | 38722014 |
10 | 19028371 |
11 | a81732a |
12 | 6457957 |
13 | 3c330bb |
14 | 2754775 |
15 | 1a0d081 |
hex | 1225993 |
19028371 has 2 divisors, whose sum is σ = 19028372. Its totient is φ = 19028370.
The previous prime is 19028369. The next prime is 19028381. The reversal of 19028371 is 17382091.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 19028371 - 21 = 19028369 is a prime.
Together with 19028369, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (19028311) by changing a digit.
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 as a sum of consecutive naturals, namely, 9514185 + 9514186.
It is an arithmetic number, because the mean of its divisors is an integer number (9514186).
Almost surely, 219028371 is an apocalyptic number.
19028371 is a deficient number, since it is larger than the sum of its proper divisors (1).
19028371 is an equidigital number, since it uses as much as digits as its factorization.
19028371 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3024, while the sum is 31.
The square root of 19028371 is about 4362.1521064722. The cubic root of 19028371 is about 266.9729150005.
It can be divided in two parts, 190 and 28371, that added together give a 4-th power (28561 = 134).
The spelling of 19028371 in words is "nineteen million, twenty-eight thousand, three hundred seventy-one".
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