Base | Representation |
---|---|
bin | 10001110001010… |
… | …101010101100000 |
3 | 202210000100012212 |
4 | 101301111111200 |
5 | 1102311120440 |
6 | 45330141252 |
7 | 10250122520 |
oct | 2161252540 |
9 | 683010185 |
10 | 298145120 |
11 | 143327929 |
12 | 83a21828 |
13 | 499cb740 |
14 | 2b84d680 |
15 | 1b294465 |
hex | 11c55560 |
298145120 has 96 divisors (see below), whose sum is σ = 866956608. Its totient is φ = 94353408.
The previous prime is 298145083. The next prime is 298145129. The reversal of 298145120 is 21541892.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (298145129) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4322 + ... + 24798.
It is an arithmetic number, because the mean of its divisors is an integer number (9030798).
Almost surely, 2298145120 is an apocalyptic number.
298145120 is a gapful number since it is divisible by the number (20) 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 298145120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433478304).
298145120 is an abundant number, since it is smaller than the sum of its proper divisors (568811488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
298145120 is a wasteful number, since it uses less digits than its factorization.
298145120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20512 (or 20504 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 32.
The square root of 298145120 is about 17266.8792779703. The cubic root of 298145120 is about 668.0504103375.
The spelling of 298145120 in words is "two hundred ninety-eight million, one hundred forty-five thousand, one hundred twenty".
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