Base | Representation |
---|---|
bin | 10110100100110101… |
… | …001100011000010000 |
3 | 2022120100021222211201 |
4 | 112210311030120100 |
5 | 344121000303430 |
6 | 15045200320544 |
7 | 1515460451002 |
oct | 264465143020 |
9 | 68510258751 |
10 | 24240244240 |
11 | a309a93303 |
12 | 4846013154 |
13 | 23940043b4 |
14 | 125d4d6372 |
15 | 96d1498ca |
hex | 5a4d4c610 |
24240244240 has 40 divisors (see below), whose sum is σ = 59673781080. Its totient is φ = 9125738496.
The previous prime is 24240244211. The next prime is 24240244241. The reversal of 24240244240 is 4244204242.
It can be written as a sum of positive squares in 4 ways, for example, as 2811968784 + 21428275456 = 53028^2 + 146384^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 24240244199 and 24240244208.
It is not an unprimeable number, because it can be changed into a prime (24240244241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8910495 + ... + 8913214.
It is an arithmetic number, because the mean of its divisors is an integer number (1491844527).
Almost surely, 224240244240 is an apocalyptic number.
24240244240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
24240244240 is an abundant number, since it is smaller than the sum of its proper divisors (35433536840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24240244240 is a wasteful number, since it uses less digits than its factorization.
24240244240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17823739 (or 17823733 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 28.
Adding to 24240244240 its reverse (4244204242), we get a palindrome (28484448482).
The spelling of 24240244240 in words is "twenty-four billion, two hundred forty million, two hundred forty-four thousand, two hundred forty".
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