Base | Representation |
---|---|
bin | 111001110100… |
… | …0111010001011 |
3 | 2010001010011022 |
4 | 1303220322023 |
5 | 30230022443 |
6 | 3001423055 |
7 | 515444240 |
oct | 163507213 |
9 | 63033138 |
10 | 30314123 |
11 | 161254a4 |
12 | a19aa8b |
13 | 6384c68 |
14 | 40515c7 |
15 | 29dbe68 |
hex | 1ce8e8b |
30314123 has 4 divisors (see below), whose sum is σ = 34644720. Its totient is φ = 25983528.
The previous prime is 30314113. The next prime is 30314189. The reversal of 30314123 is 32141303.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32141303 = 251 ⋅128053.
It is a cyclic number.
It is not a de Polignac number, because 30314123 - 26 = 30314059 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30314113) 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, 2165288 + ... + 2165301.
It is an arithmetic number, because the mean of its divisors is an integer number (8661180).
Almost surely, 230314123 is an apocalyptic number.
30314123 is a deficient number, since it is larger than the sum of its proper divisors (4330597).
30314123 is an equidigital number, since it uses as much as digits as its factorization.
30314123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4330596.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 30314123 is about 5505.8262776808. The cubic root of 30314123 is about 311.8039908188.
Adding to 30314123 its reverse (32141303), we get a palindrome (62455426).
The spelling of 30314123 in words is "thirty million, three hundred fourteen thousand, one hundred twenty-three".
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