Base | Representation |
---|---|
bin | 10111101110101… |
… | …00001000101100 |
3 | 111212112202221210 |
4 | 23313110020230 |
5 | 401424043042 |
6 | 31430154420 |
7 | 4634616015 |
oct | 1367241054 |
9 | 455482853 |
10 | 199049772 |
11 | a23a4049 |
12 | 567b2a10 |
13 | 3231393c |
14 | 1c61600c |
15 | 1271ca9c |
hex | bdd422c |
199049772 has 24 divisors (see below), whose sum is σ = 464679936. Its totient is φ = 66317008.
The previous prime is 199049761. The next prime is 199049779. The reversal of 199049772 is 277940991.
It is a happy number.
199049772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (199049779) 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, 39973 + ... + 44675.
It is an arithmetic number, because the mean of its divisors is an integer number (19361664).
Almost surely, 2199049772 is an apocalyptic number.
199049772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is a pronic number, being equal to 14108×14109.
It is an amenable number.
199049772 is an abundant number, since it is smaller than the sum of its proper divisors (265630164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199049772 is a wasteful number, since it uses less digits than its factorization.
199049772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8237 (or 8235 counting only the distinct ones).
The product of its (nonzero) digits is 285768, while the sum is 48.
The square root of 199049772 is about 14108.4999911401. The cubic root of 199049772 is about 583.8759158091.
The spelling of 199049772 in words is "one hundred ninety-nine million, forty-nine thousand, seven hundred seventy-two".
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