Base | Representation |
---|---|
bin | 10111101000111… |
… | …11101001011000 |
3 | 111211011012211220 |
4 | 23310133221120 |
5 | 401231413423 |
6 | 31402252040 |
7 | 4625416455 |
oct | 1364375130 |
9 | 454135756 |
10 | 198310488 |
11 | a1a39672 |
12 | 564b7020 |
13 | 321152ac |
14 | 1c4a282c |
15 | 126239e3 |
hex | bd1fa58 |
198310488 has 16 divisors (see below), whose sum is σ = 495776280. Its totient is φ = 66103488.
The previous prime is 198310487. The next prime is 198310499. The reversal of 198310488 is 884013891.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (198310487) 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, 4131445 + ... + 4131492.
Almost surely, 2198310488 is an apocalyptic number.
It is an amenable number.
198310488 is an abundant number, since it is smaller than the sum of its proper divisors (297465792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
198310488 is a wasteful number, since it uses less digits than its factorization.
198310488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8262946 (or 8262942 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 42.
The square root of 198310488 is about 14082.2756683712. The cubic root of 198310488 is about 583.1521678139.
The spelling of 198310488 in words is "one hundred ninety-eight million, three hundred ten thousand, four hundred eighty-eight".
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