Base | Representation |
---|---|
bin | 101100000110… |
… | …0100111101101 |
3 | 1121111122011211 |
4 | 1120030213231 |
5 | 21404322430 |
6 | 2143314421 |
7 | 400343212 |
oct | 130144755 |
9 | 47448154 |
10 | 23120365 |
11 | 12061744 |
12 | 78aba11 |
13 | 4a367b8 |
14 | 30dbb09 |
15 | 206a72a |
hex | 160c9ed |
23120365 has 16 divisors (see below), whose sum is σ = 28279296. Its totient is φ = 18144000.
The previous prime is 23120353. The next prime is 23120387. The reversal of 23120365 is 56302132.
It is not a de Polignac number, because 23120365 - 25 = 23120333 is a prime.
It is a Duffinian number.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 85180 + ... + 85450.
It is an arithmetic number, because the mean of its divisors is an integer number (1767456).
Almost surely, 223120365 is an apocalyptic number.
It is an amenable number.
23120365 is a deficient number, since it is larger than the sum of its proper divisors (5158931).
23120365 is a wasteful number, since it uses less digits than its factorization.
23120365 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 540.
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 23120365 is about 4808.3640669151. The cubic root of 23120365 is about 284.8819250292.
Adding to 23120365 its reverse (56302132), we get a palindrome (79422497).
The spelling of 23120365 in words is "twenty-three million, one hundred twenty thousand, three hundred sixty-five".
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