Base | Representation |
---|---|
bin | 10111101010000… |
… | …10010000011111 |
3 | 111211102102022112 |
4 | 23311002100133 |
5 | 401300433010 |
6 | 31405304235 |
7 | 4626550001 |
oct | 1365022037 |
9 | 454372275 |
10 | 198452255 |
11 | a2026131 |
12 | 5656507b |
13 | 32164991 |
14 | 1c4dc371 |
15 | 12650a05 |
hex | bd4241f |
198452255 has 4 divisors (see below), whose sum is σ = 238142712. Its totient is φ = 158761800.
The previous prime is 198452251. The next prime is 198452269. The reversal of 198452255 is 552254891.
198452255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552254891 = 43 ⋅12843137.
It is not a de Polignac number, because 198452255 - 22 = 198452251 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (198452251) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19845221 + ... + 19845230.
It is an arithmetic number, because the mean of its divisors is an integer number (59535678).
Almost surely, 2198452255 is an apocalyptic number.
198452255 is a deficient number, since it is larger than the sum of its proper divisors (39690457).
198452255 is an equidigital number, since it uses as much as digits as its factorization.
198452255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39690456.
The product of its digits is 144000, while the sum is 41.
The square root of 198452255 is about 14087.3082950576. The cubic root of 198452255 is about 583.2910948101.
The spelling of 198452255 in words is "one hundred ninety-eight million, four hundred fifty-two thousand, two hundred fifty-five".
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