Base | Representation |
---|---|
bin | 10111110001111… |
… | …01010000010010 |
3 | 111220100122120200 |
4 | 23320331100102 |
5 | 402031332323 |
6 | 31443320030 |
7 | 4641361221 |
oct | 1370752022 |
9 | 456318520 |
10 | 199480338 |
11 | a2668592 |
12 | 56980016 |
13 | 32434905 |
14 | 1c6c8cb8 |
15 | 127a5443 |
hex | be3d412 |
199480338 has 18 divisors (see below), whose sum is σ = 432337269. Its totient is φ = 66473472.
The previous prime is 199480327. The next prime is 199480339. The reversal of 199480338 is 833084991.
199480338 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 197037369 + 2442969 = 14037^2 + 1563^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=9987.
It is a junction number, because it is equal to n+sod(n) for n = 199480293 and 199480302.
It is not an unprimeable number, because it can be changed into a prime (199480339) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 58258 + ... + 61586.
Almost surely, 2199480338 is an apocalyptic number.
199480338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
199480338 is an abundant number, since it is smaller than the sum of its proper divisors (232856931).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199480338 is an frugal number, since it uses more digits than its factorization.
199480338 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6666 (or 3334 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 45.
The square root of 199480338 is about 14123.7508474201. The cubic root of 199480338 is about 584.2966080247.
The spelling of 199480338 in words is "one hundred ninety-nine million, four hundred eighty thousand, three hundred thirty-eight".
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