Base | Representation |
---|---|
bin | 10111101111101… |
… | …01111101111101 |
3 | 111212210211001021 |
4 | 23313311331331 |
5 | 401443011344 |
6 | 31433144141 |
7 | 4636034023 |
oct | 1367657575 |
9 | 455724037 |
10 | 199188349 |
11 | a2489178 |
12 | 5685b051 |
13 | 32361a39 |
14 | 1c650713 |
15 | 12748b84 |
hex | bdf5f7d |
199188349 has 8 divisors (see below), whose sum is σ = 207990720. Its totient is φ = 190397856.
The previous prime is 199188331. The next prime is 199188383. The reversal of 199188349 is 943881991.
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 199188349 - 221 = 197091197 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 199188296 and 199188305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (199188049) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59529 + ... + 62785.
It is an arithmetic number, because the mean of its divisors is an integer number (25998840).
Almost surely, 2199188349 is an apocalyptic number.
It is an amenable number.
199188349 is a deficient number, since it is larger than the sum of its proper divisors (8802371).
199188349 is a wasteful number, since it uses less digits than its factorization.
199188349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5939.
The product of its digits is 559872, while the sum is 52.
The square root of 199188349 is about 14113.4102540810. The cubic root of 199188349 is about 584.0113810958.
The spelling of 199188349 in words is "one hundred ninety-nine million, one hundred eighty-eight thousand, three hundred forty-nine".
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