Base | Representation |
---|---|
bin | 101101010111… |
… | …0111010101010 |
3 | 1122202102001202 |
4 | 1122232322222 |
5 | 22042111010 |
6 | 2205444202 |
7 | 406112255 |
oct | 132567252 |
9 | 48672052 |
10 | 23785130 |
11 | 12476136 |
12 | 7b70662 |
13 | 4c0a255 |
14 | 323209c |
15 | 214c6a5 |
hex | 16aeeaa |
23785130 has 8 divisors (see below), whose sum is σ = 42813252. Its totient is φ = 9514048.
The previous prime is 23785121. The next prime is 23785163. The reversal of 23785130 is 3158732.
It is a Cunningham number, because it is equal to 48772+1.
It can be written as a sum of positive squares in 2 ways, for example, as 23785129 + 1 = 4877^2 + 1^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 23785093 and 23785102.
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, 1189247 + ... + 1189266.
Almost surely, 223785130 is an apocalyptic number.
23785130 is a deficient number, since it is larger than the sum of its proper divisors (19028122).
23785130 is a wasteful number, since it uses less digits than its factorization.
23785130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2378520.
The product of its (nonzero) digits is 5040, while the sum is 29.
The square root of 23785130 is about 4877.0001025220. Note that the first 3 decimals coincide. The cubic root of 23785130 is about 287.5865095682.
The spelling of 23785130 in words is "twenty-three million, seven hundred eighty-five thousand, one hundred thirty".
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