Base | Representation |
---|---|
bin | 10010001000100… |
… | …011111010010011 |
3 | 210012110200202210 |
4 | 102020203322103 |
5 | 1110340443011 |
6 | 50104443203 |
7 | 10352642655 |
oct | 2210437223 |
9 | 705420683 |
10 | 304234131 |
11 | 146806673 |
12 | 85a79503 |
13 | 4b0510c6 |
14 | 2c5966d5 |
15 | 1ba986a6 |
hex | 12223e93 |
304234131 has 4 divisors (see below), whose sum is σ = 405645512. Its totient is φ = 202822752.
The previous prime is 304234123. The next prime is 304234153. The reversal of 304234131 is 131432403.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131432403 = 3 ⋅43810801.
It is not a de Polignac number, because 304234131 - 23 = 304234123 is a prime.
It is a super-2 number, since 2×3042341312 = 185116812930650322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 304234098 and 304234107.
It is not an unprimeable number, because it can be changed into a prime (304234181) 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 3 ways as a sum of consecutive naturals, for example, 50705686 + ... + 50705691.
It is an arithmetic number, because the mean of its divisors is an integer number (101411378).
Almost surely, 2304234131 is an apocalyptic number.
304234131 is a deficient number, since it is larger than the sum of its proper divisors (101411381).
304234131 is a wasteful number, since it uses less digits than its factorization.
304234131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101411380.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 304234131 is about 17442.3086487999. The cubic root of 304234131 is about 672.5676560688.
Adding to 304234131 its reverse (131432403), we get a palindrome (435666534).
It can be divided in two parts, 3042 and 34131, that added together give a palindrome (37173).
The spelling of 304234131 in words is "three hundred four million, two hundred thirty-four thousand, one hundred thirty-one".
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