Base | Representation |
---|---|
bin | 10010000100010… |
… | …110011010111101 |
3 | 210010101121121012 |
4 | 102010112122331 |
5 | 1110100132201 |
6 | 50025045005 |
7 | 10340364545 |
oct | 2204263275 |
9 | 703347535 |
10 | 303130301 |
11 | 146122311 |
12 | 85626765 |
13 | 4aa55856 |
14 | 2c38a325 |
15 | 1b92b5bb |
hex | 121166bd |
303130301 has 4 divisors (see below), whose sum is σ = 313583100. Its totient is φ = 292677504.
The previous prime is 303130291. The next prime is 303130309. The reversal of 303130301 is 103031303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103031303 = 83 ⋅1241341.
It can be written as a sum of positive squares in 2 ways, for example, as 161544100 + 141586201 = 12710^2 + 11899^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-303130301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (303130309) 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, 5226356 + ... + 5226413.
It is an arithmetic number, because the mean of its divisors is an integer number (78395775).
Almost surely, 2303130301 is an apocalyptic number.
It is an amenable number.
303130301 is a deficient number, since it is larger than the sum of its proper divisors (10452799).
303130301 is a wasteful number, since it uses less digits than its factorization.
303130301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10452798.
The product of its (nonzero) digits is 81, while the sum is 14.
The square root of 303130301 is about 17410.6375816625. The cubic root of 303130301 is about 671.7532613209.
Adding to 303130301 its reverse (103031303), we get a palindrome (406161604).
The spelling of 303130301 in words is "three hundred three million, one hundred thirty thousand, three hundred one".
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