Base | Representation |
---|---|
bin | 10111110001001… |
… | …01101100000000 |
3 | 111220011202011111 |
4 | 23320211230000 |
5 | 402020240213 |
6 | 31441253104 |
7 | 4640506621 |
oct | 1370455400 |
9 | 456152144 |
10 | 199383808 |
11 | a2602008 |
12 | 56934194 |
13 | 323cc9b0 |
14 | 1c6a1a48 |
15 | 12786a3d |
hex | be25b00 |
199383808 has 72 divisors (see below), whose sum is σ = 432273296. Its totient is φ = 91238400.
The previous prime is 199383799. The next prime is 199383841. The reversal of 199383808 is 808383991.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602203 + ... + 602533.
Almost surely, 2199383808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 199383808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216136648).
199383808 is an abundant number, since it is smaller than the sum of its proper divisors (232889488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199383808 is a wasteful number, since it uses less digits than its factorization.
199383808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 541 (or 527 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 49.
The square root of 199383808 is about 14120.3331405459. Note that the first 3 decimals coincide. The cubic root of 199383808 is about 584.2023443454.
The spelling of 199383808 in words is "one hundred ninety-nine million, three hundred eighty-three thousand, eight hundred eight".
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