Base | Representation |
---|---|
bin | 101100000110… |
… | …0100011110011 |
3 | 1121111121211120 |
4 | 1120030203303 |
5 | 21404320430 |
6 | 2143313323 |
7 | 400342404 |
oct | 130144363 |
9 | 47447746 |
10 | 23120115 |
11 | 12061537 |
12 | 78ab843 |
13 | 4a36655 |
14 | 30db9ab |
15 | 206a610 |
hex | 160c8f3 |
23120115 has 8 divisors (see below), whose sum is σ = 36992208. Its totient is φ = 12330720.
The previous prime is 23120039. The next prime is 23120171. The reversal of 23120115 is 51102132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23120115 - 219 = 22595827 is a prime.
It is a super-2 number, since 2×231201152 = 1069079435226450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 1541341 = 23120115 / (2 + 3 + 1 + 2 + 0 + 1 + 1 + 5).
It is a junction number, because it is equal to n+sod(n) for n = 23120094 and 23120103.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770656 + ... + 770685.
It is an arithmetic number, because the mean of its divisors is an integer number (4624026).
Almost surely, 223120115 is an apocalyptic number.
23120115 is a deficient number, since it is larger than the sum of its proper divisors (13872093).
23120115 is a wasteful number, since it uses less digits than its factorization.
23120115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1541349.
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 23120115 is about 4808.3380704772. The cubic root of 23120115 is about 284.8808982182.
Adding to 23120115 its reverse (51102132), we get a palindrome (74222247).
The spelling of 23120115 in words is "twenty-three million, one hundred twenty thousand, one hundred fifteen".
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