Base | Representation |
---|---|
bin | 10011000101100… |
… | …101001011011111 |
3 | 211022120101010111 |
4 | 103011211023133 |
5 | 1123434330421 |
6 | 51435350451 |
7 | 10635624325 |
oct | 2305451337 |
9 | 738511114 |
10 | 320230111 |
11 | 154841693 |
12 | 8b2b2427 |
13 | 51461b96 |
14 | 3075bd15 |
15 | 1d1a7ee1 |
hex | 131652df |
320230111 has 4 divisors (see below), whose sum is σ = 325657800. Its totient is φ = 314802424.
The previous prime is 320230103. The next prime is 320230133. The reversal of 320230111 is 111032023.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111032023 = 1993 ⋅55711.
It is a cyclic number.
It is not a de Polignac number, because 320230111 - 23 = 320230103 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 320230091 and 320230100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (320239111) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2713756 + ... + 2713873.
It is an arithmetic number, because the mean of its divisors is an integer number (81414450).
Almost surely, 2320230111 is an apocalyptic number.
320230111 is a deficient number, since it is larger than the sum of its proper divisors (5427689).
320230111 is an equidigital number, since it uses as much as digits as its factorization.
320230111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5427688.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 320230111 is about 17894.9744621220. The cubic root of 320230111 is about 684.1542911686.
Adding to 320230111 its reverse (111032023), we get a palindrome (431262134).
The spelling of 320230111 in words is "three hundred twenty million, two hundred thirty thousand, one hundred eleven".
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