Base | Representation |
---|---|
bin | 101101001101… |
… | …1011000101010 |
3 | 1122121100022210 |
4 | 1122123120222 |
5 | 22032031010 |
6 | 2204025550 |
7 | 405330111 |
oct | 132333052 |
9 | 48540283 |
10 | 23705130 |
11 | 12421019 |
12 | 7b322b6 |
13 | 4baca07 |
14 | 3210c78 |
15 | 2133b20 |
hex | 169b62a |
23705130 has 16 divisors (see below), whose sum is σ = 56892384. Its totient is φ = 6321360.
The previous prime is 23705119. The next prime is 23705153. The reversal of 23705130 is 3150732.
It is a happy number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 23705097 and 23705106.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395056 + ... + 395115.
It is an arithmetic number, because the mean of its divisors is an integer number (3555774).
Almost surely, 223705130 is an apocalyptic number.
23705130 is an abundant number, since it is smaller than the sum of its proper divisors (33187254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23705130 is a wasteful number, since it uses less digits than its factorization.
23705130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 790181.
The product of its (nonzero) digits is 630, while the sum is 21.
The square root of 23705130 is about 4868.7914311459. The cubic root of 23705130 is about 287.2637201720.
Adding to 23705130 its reverse (3150732), we get a palindrome (26855862).
The spelling of 23705130 in words is "twenty-three million, seven hundred five thousand, one hundred thirty".
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