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23954035940 = 22518124127457
BaseRepresentation
bin10110010011110001…
…011001010011100100
32021211101202002212022
4112103301121103210
5343024213122230
615000534042312
71505413642322
oct262361312344
967741662768
1023954035940
11a18247981a
1247861a9398
132349924c83
1412334b2d12
15952e621e5
hex593c594e4

23954035940 has 48 divisors (see below), whose sum is σ = 50793126384. Its totient is φ = 9488793600.

The previous prime is 23954035921. The next prime is 23954035993. The reversal of 23954035940 is 4953045932.

It can be written as a sum of positive squares in 8 ways, for example, as 6862134244 + 17091901696 = 82838^2 + 130736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23954035891 and 23954035900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858692 + ... + 886148.

It is an arithmetic number, because the mean of its divisors is an integer number (1058190133).

Almost surely, 223954035940 is an apocalyptic number.

23954035940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23954035940 is an abundant number, since it is smaller than the sum of its proper divisors (26839090444).

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

23954035940 is a wasteful number, since it uses less digits than its factorization.

23954035940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27888 (or 27886 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 23954035940 in words is "twenty-three billion, nine hundred fifty-four million, thirty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 181 241 362 482 724 905 964 1205 1810 2410 3620 4820 27457 43621 54914 87242 109828 137285 174484 218105 274570 436210 549140 872420 4969717 6617137 9939434 13234274 19878868 24848585 26468548 33085685 49697170 66171370 99394340 132342740 1197701797 2395403594 4790807188 5988508985 11977017970 23954035940