Base | Representation |
---|---|
bin | 101110000010… |
… | …1100111010000 |
3 | 1200102110011222 |
4 | 1130011213100 |
5 | 22134441430 |
6 | 2221224212 |
7 | 412121465 |
oct | 134054720 |
9 | 50373158 |
10 | 24140240 |
11 | 12698a13 |
12 | 8102068 |
13 | 5002a87 |
14 | 32c566c |
15 | 21bc9e5 |
hex | 17059d0 |
24140240 has 20 divisors (see below), whose sum is σ = 56126244. Its totient is φ = 9656064.
The previous prime is 24140239. The next prime is 24140251. The reversal of 24140240 is 4204142.
It can be written as a sum of positive squares in 2 ways, for example, as 12334144 + 11806096 = 3512^2 + 3436^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150797 + ... + 150956.
Almost surely, 224140240 is an apocalyptic number.
24140240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
24140240 is an abundant number, since it is smaller than the sum of its proper divisors (31986004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24140240 is a wasteful number, since it uses less digits than its factorization.
24140240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301766 (or 301760 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 17.
The square root of 24140240 is about 4913.2718223196. The cubic root of 24140240 is about 289.0106596005.
Adding to 24140240 its reverse (4204142), we get a palindrome (28344382).
The spelling of 24140240 in words is "twenty-four million, one hundred forty thousand, two hundred forty".
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