Base | Representation |
---|---|
bin | 10111101101101… |
… | …10110001000000 |
3 | 111212022122221020 |
4 | 23312312301000 |
5 | 401411220342 |
6 | 31423425440 |
7 | 4633605210 |
oct | 1366666100 |
9 | 455278836 |
10 | 198929472 |
11 | a2321725 |
12 | 56755280 |
13 | 322a0c61 |
14 | 1c5c4240 |
15 | 126e70ec |
hex | bdb6c40 |
198929472 has 56 divisors (see below), whose sum is σ = 601528896. Its totient is φ = 56836608.
The previous prime is 198929441. The next prime is 198929477. The reversal of 198929472 is 274929891.
198929472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (56).
It is not an unprimeable number, because it can be changed into a prime (198929477) 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, 72663 + ... + 75350.
Almost surely, 2198929472 is an apocalyptic number.
198929472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
198929472 is an abundant number, since it is smaller than the sum of its proper divisors (402599424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
198929472 is a wasteful number, since it uses less digits than its factorization.
198929472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148035 (or 148025 counting only the distinct ones).
The product of its digits is 653184, while the sum is 51.
The square root of 198929472 is about 14104.2359594556. The cubic root of 198929472 is about 583.7582661259.
The spelling of 198929472 in words is "one hundred ninety-eight million, nine hundred twenty-nine thousand, four hundred seventy-two".
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