Base | Representation |
---|---|
bin | 10010001000111… |
… | …000111010000011 |
3 | 210012122001201222 |
4 | 102020320322003 |
5 | 1110401221011 |
6 | 50110345255 |
7 | 10353451463 |
oct | 2210707203 |
9 | 705561658 |
10 | 304320131 |
11 | 146865245 |
12 | 85abb22b |
13 | 4b0812ab |
14 | 2c5b9ba3 |
15 | 1bab3ddb |
hex | 12238e83 |
304320131 has 8 divisors (see below), whose sum is σ = 321128400. Its totient is φ = 287591040.
The previous prime is 304320127. The next prime is 304320151. The reversal of 304320131 is 131023403.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 304320131 - 22 = 304320127 is a prime.
It is a super-2 number, since 2×3043201312 = 185221484263714322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (304320101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11810 + ... + 27351.
It is an arithmetic number, because the mean of its divisors is an integer number (40141050).
Almost surely, 2304320131 is an apocalyptic number.
304320131 is a deficient number, since it is larger than the sum of its proper divisors (16808269).
304320131 is a wasteful number, since it uses less digits than its factorization.
304320131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39589.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 304320131 is about 17444.7737445918. The cubic root of 304320131 is about 672.6310232404.
Adding to 304320131 its reverse (131023403), we get a palindrome (435343534).
The spelling of 304320131 in words is "three hundred four million, three hundred twenty thousand, one hundred thirty-one".
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