Base | Representation |
---|---|
bin | 101110100101… |
… | …0001010110000 |
3 | 1200221201100222 |
4 | 1131022022300 |
5 | 22222433130 |
6 | 2231232212 |
7 | 414401240 |
oct | 135121260 |
9 | 50851328 |
10 | 24421040 |
11 | 1286a986 |
12 | 8218668 |
13 | 50a0827 |
14 | 3359b20 |
15 | 2225ce5 |
hex | 174a2b0 |
24421040 has 40 divisors (see below), whose sum is σ = 64891680. Its totient is φ = 8372736.
The previous prime is 24421039. The next prime is 24421051. The reversal of 24421040 is 4012442.
It is a tau number, because it is divible by the number of its divisors (40).
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 7 ways as a sum of consecutive naturals, for example, 21245 + ... + 22364.
It is an arithmetic number, because the mean of its divisors is an integer number (1622292).
Almost surely, 224421040 is an apocalyptic number.
24421040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
24421040 is an abundant number, since it is smaller than the sum of its proper divisors (40470640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24421040 is a wasteful number, since it uses less digits than its factorization.
24421040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43629 (or 43623 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 17.
The square root of 24421040 is about 4941.7648669276. The cubic root of 24421040 is about 290.1269361072.
Adding to 24421040 its reverse (4012442), we get a palindrome (28433482).
The spelling of 24421040 in words is "twenty-four million, four hundred twenty-one thousand, forty".
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