Base | Representation |
---|---|
bin | 11100111100111… |
… | …11011110000000 |
3 | 121221000021211020 |
4 | 32132133132000 |
5 | 444133433430 |
6 | 40033345440 |
7 | 6006253110 |
oct | 1636373600 |
9 | 557007736 |
10 | 242874240 |
11 | 115107014 |
12 | 69408280 |
13 | 3b41918b |
14 | 24383040 |
15 | 164c7b10 |
hex | e79f780 |
242874240 has 256 divisors, whose sum is σ = 937681920. Its totient is φ = 52199424.
The previous prime is 242874221. The next prime is 242874241. The reversal of 242874240 is 42478242.
242874240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242874241) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227949 + ... + 229011.
It is an arithmetic number, because the mean of its divisors is an integer number (3662820).
Almost surely, 2242874240 is an apocalyptic number.
242874240 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 242874240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468840960).
242874240 is an abundant number, since it is smaller than the sum of its proper divisors (694807680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242874240 is a wasteful number, since it uses less digits than its factorization.
242874240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1109 (or 1097 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 33.
The square root of 242874240 is about 15584.4229922060. The cubic root of 242874240 is about 623.9174775815.
The spelling of 242874240 in words is "two hundred forty-two million, eight hundred seventy-four thousand, two hundred forty".
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