Base | Representation |
---|---|
bin | 10010000100010… |
… | …110010110100111 |
3 | 210010101121012220 |
4 | 102010112112213 |
5 | 1110100130043 |
6 | 50025043423 |
7 | 10340364000 |
oct | 2204262647 |
9 | 703347186 |
10 | 303130023 |
11 | 146122089 |
12 | 85626573 |
13 | 4aa556a1 |
14 | 2c38a1a7 |
15 | 1b92b483 |
hex | 121165a7 |
303130023 has 32 divisors (see below), whose sum is σ = 479424000. Its totient is φ = 170247168.
The previous prime is 303130021. The next prime is 303130033. The reversal of 303130023 is 320031303.
It is not a de Polignac number, because 303130023 - 21 = 303130021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 303129984 and 303130011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (303130021) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 58215 + ... + 63207.
It is an arithmetic number, because the mean of its divisors is an integer number (14982000).
Almost surely, 2303130023 is an apocalyptic number.
303130023 is a deficient number, since it is larger than the sum of its proper divisors (176293977).
303130023 is an equidigital number, since it uses as much as digits as its factorization.
303130023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5076 (or 5062 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 15.
The square root of 303130023 is about 17410.6295980358. The cubic root of 303130023 is about 671.7530559664.
Adding to 303130023 its reverse (320031303), we get a palindrome (623161326).
The spelling of 303130023 in words is "three hundred three million, one hundred thirty thousand, twenty-three".
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