Base | Representation |
---|---|
bin | 100100100000… |
… | …1101000011111 |
3 | 1100000120112101 |
4 | 1021001220133 |
5 | 14400040244 |
6 | 1522145531 |
7 | 321500035 |
oct | 111015037 |
9 | 40016471 |
10 | 19143199 |
11 | a895629 |
12 | 64b22a7 |
13 | 3c7344a |
14 | 2784555 |
15 | 1a320d4 |
hex | 1241a1f |
19143199 has 8 divisors (see below), whose sum is σ = 20315520. Its totient is φ = 17999256.
The previous prime is 19143181. The next prime is 19143247. The reversal of 19143199 is 99134191.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 19143199 - 213 = 19135007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19143109) 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 in 7 ways as a sum of consecutive naturals, for example, 5697 + ... + 8410.
It is an arithmetic number, because the mean of its divisors is an integer number (2539440).
Almost surely, 219143199 is an apocalyptic number.
19143199 is a deficient number, since it is larger than the sum of its proper divisors (1172321).
19143199 is a wasteful number, since it uses less digits than its factorization.
19143199 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14189.
The product of its digits is 8748, while the sum is 37.
The square root of 19143199 is about 4375.2941615393. The cubic root of 19143199 is about 267.5088604513.
The spelling of 19143199 in words is "nineteen million, one hundred forty-three thousand, one hundred ninety-nine".
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