Base | Representation |
---|---|
bin | 11100111010010… |
… | …11101010100100 |
3 | 121220100211221220 |
4 | 32131023222210 |
5 | 444041442410 |
6 | 40022140340 |
7 | 6003323256 |
oct | 1635135244 |
9 | 556324856 |
10 | 242530980 |
11 | 1149a212a |
12 | 692816b0 |
13 | 3b328b73 |
14 | 242d3cd6 |
15 | 1645b070 |
hex | e74baa4 |
242530980 has 96 divisors (see below), whose sum is σ = 709890048. Its totient is φ = 61795200.
The previous prime is 242530969. The next prime is 242530999. The reversal of 242530980 is 89035242.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153595 + ... + 155165.
It is an arithmetic number, because the mean of its divisors is an integer number (7394688).
Almost surely, 2242530980 is an apocalyptic number.
242530980 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 242530980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354945024).
242530980 is an abundant number, since it is smaller than the sum of its proper divisors (467359068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242530980 is a wasteful number, since it uses less digits than its factorization.
242530980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1697 (or 1695 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 242530980 is about 15573.4061784826. The cubic root of 242530980 is about 623.6234064772.
The spelling of 242530980 in words is "two hundred forty-two million, five hundred thirty thousand, nine hundred eighty".
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