| Base | Representation |
|---|---|
| bin | 10111101101000… |
| … | …11000000001000 |
| 3 | 111212011112220000 |
| 4 | 23312203000020 |
| 5 | 401401123040 |
| 6 | 31422003000 |
| 7 | 4633120203 |
| oct | 1366430010 |
| 9 | 455145800 |
| 10 | 198848520 |
| 11 | a2276922 |
| 12 | 56716460 |
| 13 | 32273160 |
| 14 | 1c5a293a |
| 15 | 126cd130 |
| hex | bda3008 |
198848520 has 160 divisors (see below), whose sum is σ = 719916120. Its totient is φ = 48936960.
The previous prime is 198848519. The next prime is 198848521. The reversal of 198848520 is 25848891.
It is a happy number.
198848520 is a `hidden beast` number, since 1 + 9 + 88 + 48 + 520 = 666.
It is an interprime number because it is at equal distance from previous prime (198848519) and next prime (198848521).
It can be written as a sum of positive squares in 4 ways, for example, as 128187684 + 70660836 = 11322^2 + 8406^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (198848521) 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 39 ways as a sum of consecutive naturals, for example, 39760 + ... + 44480.
Almost surely, 2198848520 is an apocalyptic number.
198848520 is a gapful number since it is divisible by the number (10) 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 198848520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359958060).
198848520 is an abundant number, since it is smaller than the sum of its proper divisors (521067600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
198848520 is a wasteful number, since it uses less digits than its factorization.
198848520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4757 (or 4744 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 45.
The square root of 198848520 is about 14101.3658912887. The cubic root of 198848520 is about 583.6790708710.
The spelling of 198848520 in words is "one hundred ninety-eight million, eight hundred forty-eight thousand, five hundred twenty".
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