Base | Representation |
---|---|
bin | 101101010100… |
… | …1101110000000 |
3 | 1122201022212020 |
4 | 1122221232000 |
5 | 22040420330 |
6 | 2205201440 |
7 | 405663222 |
oct | 132515600 |
9 | 48638766 |
10 | 23763840 |
11 | 12461141 |
12 | 7b60280 |
13 | 4c00659 |
14 | 3228412 |
15 | 2146210 |
hex | 16a9b80 |
23763840 has 64 divisors (see below), whose sum is σ = 75753360. Its totient is φ = 6336512.
The previous prime is 23763833. The next prime is 23763863. The reversal of 23763840 is 4836732.
It is a tau number, because it is divible by the number of its divisors (64).
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 7 ways as a sum of consecutive naturals, for example, 4269 + ... + 8108.
Almost surely, 223763840 is an apocalyptic number.
23763840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23763840 is an abundant number, since it is smaller than the sum of its proper divisors (51989520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23763840 is a wasteful number, since it uses less digits than its factorization.
23763840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12399 (or 12387 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 33.
The square root of 23763840 is about 4874.8169196391. The cubic root of 23763840 is about 287.5006780072.
It can be divided in two parts, 2376 and 3840, that added together give a triangular number (6216 = T111).
The spelling of 23763840 in words is "twenty-three million, seven hundred sixty-three thousand, eight hundred forty".
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