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24223243240 = 2357711218473
BaseRepresentation
bin10110100011110100…
…010101101111101000
32022112011022020212001
4112203310111233220
5344102122240430
615043352100344
71515163112260
oct264364255750
968464266761
1024223243240
11a300431199
1248403946b4
132390631031
14125b14c7a0
1596b8dc3ca
hex5a3d15be8

24223243240 has 64 divisors (see below), whose sum is σ = 63165692160. Its totient is φ = 8188131840.

The previous prime is 24223243223. The next prime is 24223243259. The reversal of 24223243240 is 4234232242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 24223243199 and 24223243208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589357 + ... + 629116.

It is an arithmetic number, because the mean of its divisors is an integer number (986963940).

Almost surely, 224223243240 is an apocalyptic number.

24223243240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24223243240 is an abundant number, since it is smaller than the sum of its proper divisors (38942448920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24223243240 is a wasteful number, since it uses less digits than its factorization.

24223243240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218562 (or 1218558 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 24223243240 its reverse (4234232242), we get a palindrome (28457475482).

The spelling of 24223243240 in words is "twenty-four billion, two hundred twenty-three million, two hundred forty-three thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 71 140 142 280 284 355 497 568 710 994 1420 1988 2485 2840 3976 4970 9940 19880 1218473 2436946 4873892 6092365 8529311 9747784 12184730 17058622 24369460 34117244 42646555 48738920 68234488 85293110 86511583 170586220 173023166 341172440 346046332 432557915 605581081 692092664 865115830 1211162162 1730231660 2422324324 3027905405 3460463320 4844648648 6055810810 12111621620 24223243240