Base | Representation |
---|---|
bin | 1001000110010000… |
… | …0010111010001100 |
3 | 20022012022211201101 |
4 | 2101210002322030 |
5 | 20000142123140 |
6 | 1042155352444 |
7 | 114342615331 |
oct | 22144027214 |
9 | 6265284641 |
10 | 2442145420 |
11 | 1043589000 |
12 | 581a52724 |
13 | 2cbc53b80 |
14 | 1924b0988 |
15 | e45ed99a |
hex | 91902e8c |
2442145420 has 96 divisors (see below), whose sum is σ = 6075752256. Its totient is φ = 819624960.
The previous prime is 2442145417. The next prime is 2442145441. The reversal of 2442145420 is 245412442.
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, 342532 + ... + 349588.
It is an arithmetic number, because the mean of its divisors is an integer number (63289086).
Almost surely, 22442145420 is an apocalyptic number.
2442145420 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 2442145420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3037876128).
2442145420 is an abundant number, since it is smaller than the sum of its proper divisors (3633606836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2442145420 is a wasteful number, since it uses less digits than its factorization.
2442145420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7112 (or 7088 counting only the distinct ones).
The product of its (nonzero) digits is 10240, while the sum is 28.
The square root of 2442145420 is about 49418.0677485472. The cubic root of 2442145420 is about 1346.6575603356.
Adding to 2442145420 its reverse (245412442), we get a palindrome (2687557862).
The spelling of 2442145420 in words is "two billion, four hundred forty-two million, one hundred forty-five thousand, four hundred twenty".
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