Base | Representation |
---|---|
bin | 101101010111… |
… | …1010100011100 |
3 | 1122202111022212 |
4 | 1122233110130 |
5 | 22042134110 |
6 | 2205455552 |
7 | 406120133 |
oct | 132572434 |
9 | 48674285 |
10 | 23786780 |
11 | 124773a6 |
12 | 7b715b8 |
13 | 4c0ac24 |
14 | 323291a |
15 | 214ce05 |
hex | 16af51c |
23786780 has 12 divisors (see below), whose sum is σ = 49952280. Its totient is φ = 9514704.
The previous prime is 23786779. The next prime is 23786797. The reversal of 23786780 is 8768732.
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594650 + ... + 594689.
It is an arithmetic number, because the mean of its divisors is an integer number (4162690).
Almost surely, 223786780 is an apocalyptic number.
23786780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23786780 is an abundant number, since it is smaller than the sum of its proper divisors (26165500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23786780 is a wasteful number, since it uses less digits than its factorization.
23786780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1189348 (or 1189346 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 41.
The square root of 23786780 is about 4877.1692609546. The cubic root of 23786780 is about 287.5931594760.
The spelling of 23786780 in words is "twenty-three million, seven hundred eighty-six thousand, seven hundred eighty".
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