| Base | Representation |
|---|---|
| bin | 10111110010011… |
| … | …10000010000000 |
| 3 | 111220111010211210 |
| 4 | 23321032002000 |
| 5 | 402041032211 |
| 6 | 31445010120 |
| 7 | 4642065450 |
| oct | 1371160200 |
| 9 | 456433753 |
| 10 | 199549056 |
| 11 | a2705183 |
| 12 | 569b3940 |
| 13 | 32459c85 |
| 14 | 1c705d60 |
| 15 | 127ba9a6 |
| hex | be4e080 |
199549056 has 128 divisors (see below), whose sum is σ = 616210560. Its totient is φ = 56033280.
The previous prime is 199549037. The next prime is 199549057. The reversal of 199549056 is 650945991.
It is a tau number, because it is divible by the number of its divisors (128).
It is a super-2 number, since 2×1995490562 = 79639651500982272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 199548996 and 199549014.
It is not an unprimeable number, because it can be changed into a prime (199549057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163360 + ... + 164576.
It is an arithmetic number, because the mean of its divisors is an integer number (4814145).
Almost surely, 2199549056 is an apocalyptic number.
199549056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 199549056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308105280).
199549056 is an abundant number, since it is smaller than the sum of its proper divisors (416661504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199549056 is a wasteful number, since it uses less digits than its factorization.
199549056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1302 (or 1290 counting only the distinct ones).
The product of its (nonzero) digits is 437400, while the sum is 48.
The square root of 199549056 is about 14126.1833486614. The cubic root of 199549056 is about 584.3636941429.
The spelling of 199549056 in words is "one hundred ninety-nine million, five hundred forty-nine thousand, fifty-six".
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