Base | Representation |
---|---|
bin | 100101000001… |
… | …1110100101111 |
3 | 1100112100102212 |
4 | 1022003310233 |
5 | 14432224234 |
6 | 1532041035 |
7 | 324006341 |
oct | 112036457 |
9 | 40470385 |
10 | 19414319 |
11 | aa602a1 |
12 | 660317b |
13 | 4039982 |
14 | 2815291 |
15 | 1a875ce |
hex | 1283d2f |
19414319 has 4 divisors (see below), whose sum is σ = 19448544. Its totient is φ = 19380096.
The previous prime is 19414313. The next prime is 19414327. The reversal of 19414319 is 91341491.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91341491 = 337 ⋅271043.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-19414319 is a prime.
It is a super-2 number, since 2×194143192 = 753831564467522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19414313) 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 3 ways as a sum of consecutive naturals, for example, 16247 + ... + 17400.
It is an arithmetic number, because the mean of its divisors is an integer number (4862136).
Almost surely, 219414319 is an apocalyptic number.
19414319 is a deficient number, since it is larger than the sum of its proper divisors (34225).
19414319 is an equidigital number, since it uses as much as digits as its factorization.
19414319 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34224.
The product of its digits is 3888, while the sum is 32.
The square root of 19414319 is about 4406.1682900225. The cubic root of 19414319 is about 268.7658303998.
The spelling of 19414319 in words is "nineteen million, four hundred fourteen thousand, three hundred nineteen".
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