Base | Representation |
---|---|
bin | 100100010010… |
… | …1100111000011 |
3 | 1022210202002021 |
4 | 1020211213003 |
5 | 14332402134 |
6 | 1515502311 |
7 | 320511304 |
oct | 110454703 |
9 | 38722067 |
10 | 19028419 |
11 | a817373 |
12 | 6457997 |
13 | 3c33127 |
14 | 27547ab |
15 | 1a0d0b4 |
hex | 12259c3 |
19028419 has 2 divisors, whose sum is σ = 19028420. Its totient is φ = 19028418.
The previous prime is 19028417. The next prime is 19028441. The reversal of 19028419 is 91482091.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 19028419 - 21 = 19028417 is a prime.
It is a super-2 number, since 2×190284192 = 724161459279122, which contains 22 as substring.
Together with 19028417, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (19028413) 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, 9514209 + 9514210.
It is an arithmetic number, because the mean of its divisors is an integer number (9514210).
Almost surely, 219028419 is an apocalyptic number.
19028419 is a deficient number, since it is larger than the sum of its proper divisors (1).
19028419 is an equidigital number, since it uses as much as digits as its factorization.
19028419 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5184, while the sum is 34.
The square root of 19028419 is about 4362.1576083402. The cubic root of 19028419 is about 266.9731394844.
The spelling of 19028419 in words is "nineteen million, twenty-eight thousand, four hundred nineteen".
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