Base | Representation |
---|---|
bin | 100100010001… |
… | …0001010010001 |
3 | 1022210000200221 |
4 | 1020202022101 |
5 | 14331424124 |
6 | 1515313041 |
7 | 320422150 |
oct | 110421221 |
9 | 38700627 |
10 | 19014289 |
11 | a807798 |
12 | 644b781 |
13 | 3c29878 |
14 | 274d597 |
15 | 1a08ce4 |
hex | 1222291 |
19014289 has 4 divisors (see below), whose sum is σ = 21730624. Its totient is φ = 16297956.
The previous prime is 19014277. The next prime is 19014293. The reversal of 19014289 is 98241091.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 19014289 - 27 = 19014161 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (19014209) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358157 + ... + 1358170.
It is an arithmetic number, because the mean of its divisors is an integer number (5432656).
Almost surely, 219014289 is an apocalyptic number.
It is an amenable number.
19014289 is a deficient number, since it is larger than the sum of its proper divisors (2716335).
19014289 is an equidigital number, since it uses as much as digits as its factorization.
19014289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2716334.
The product of its (nonzero) digits is 5184, while the sum is 34.
The square root of 19014289 is about 4360.5376962022. The cubic root of 19014289 is about 266.9070407263.
The spelling of 19014289 in words is "nineteen million, fourteen thousand, two hundred eighty-nine".
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