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24421040 = 245743609
BaseRepresentation
bin101110100101…
…0001010110000
31200221201100222
41131022022300
522222433130
62231232212
7414401240
oct135121260
950851328
1024421040
111286a986
128218668
1350a0827
143359b20
152225ce5
hex174a2b0

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".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 43609 87218 174436 218045 305263 348872 436090 610526 697744 872180 1221052 1526315 1744360 2442104 3052630 3488720 4884208 6105260 12210520 24421040