Base | Representation |
---|---|
bin | 10010001000110… |
… | …100100010010111 |
3 | 210012121011012000 |
4 | 102020310202113 |
5 | 1110400132411 |
6 | 50110130343 |
7 | 10353345342 |
oct | 2210644227 |
9 | 705534160 |
10 | 304302231 |
11 | 146852852 |
12 | 85ab09b3 |
13 | 4b0760bc |
14 | 2c5b3459 |
15 | 1baad956 |
hex | 12234897 |
304302231 has 16 divisors (see below), whose sum is σ = 465361920. Its totient is φ = 196323480.
The previous prime is 304302217. The next prime is 304302239. The reversal of 304302231 is 132203403.
304302231 is a `hidden beast` number, since 3 + 0 + 430 + 2 + 231 = 666.
It is not a de Polignac number, because 304302231 - 25 = 304302199 is a prime.
It is a super-2 number, since 2×3043022312 = 185199695583154722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (304302239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180945 + ... + 182618.
It is an arithmetic number, because the mean of its divisors is an integer number (29085120).
Almost surely, 2304302231 is an apocalyptic number.
304302231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
304302231 is a deficient number, since it is larger than the sum of its proper divisors (161059689).
304302231 is a wasteful number, since it uses less digits than its factorization.
304302231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 363603 (or 363597 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 304302231 is about 17444.2606894073. The cubic root of 304302231 is about 672.6178350107.
Adding to 304302231 its reverse (132203403), we get a palindrome (436505634).
The spelling of 304302231 in words is "three hundred four million, three hundred two thousand, two hundred thirty-one".
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