Base | Representation |
---|---|
bin | 10111101100110… |
… | …01001100011101 |
3 | 111212002111210012 |
4 | 23312121030131 |
5 | 401343331344 |
6 | 31421053005 |
7 | 4632562115 |
oct | 1366311435 |
9 | 455074705 |
10 | 198808349 |
11 | a2249723 |
12 | 566b7165 |
13 | 3225aa9c |
14 | 1c592045 |
15 | 126c129e |
hex | bd9931d |
198808349 has 4 divisors (see below), whose sum is σ = 199511136. Its totient is φ = 198105564.
The previous prime is 198808327. The next prime is 198808391. The reversal of 198808349 is 943808891.
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 198808349 - 212 = 198804253 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 198808297 and 198808306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (198808399) 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, 350969 + ... + 351534.
It is an arithmetic number, because the mean of its divisors is an integer number (49877784).
Almost surely, 2198808349 is an apocalyptic number.
It is an amenable number.
198808349 is a deficient number, since it is larger than the sum of its proper divisors (702787).
198808349 is an equidigital number, since it uses as much as digits as its factorization.
198808349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 702786.
The product of its (nonzero) digits is 497664, while the sum is 50.
The square root of 198808349 is about 14099.9414537792. The cubic root of 198808349 is about 583.6397636452.
The spelling of 198808349 in words is "one hundred ninety-eight million, eight hundred eight thousand, three hundred forty-nine".
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