Base | Representation |
---|---|
bin | 10001111000100… |
… | …100000011101111 |
3 | 202220120122002120 |
4 | 101320210003233 |
5 | 1103302243211 |
6 | 45434524023 |
7 | 10302205305 |
oct | 2170440357 |
9 | 686518076 |
10 | 300040431 |
11 | 1444018a9 |
12 | 84596613 |
13 | 4a213322 |
14 | 2bbc4275 |
15 | 1b51ad06 |
hex | 11e240ef |
300040431 has 4 divisors (see below), whose sum is σ = 400053912. Its totient is φ = 200026952.
The previous prime is 300040417. The next prime is 300040441. The reversal of 300040431 is 134040003.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 300040431 - 25 = 300040399 is a prime.
It is a super-2 number, since 2×3000404312 = 180048520469331522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 300040431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (300040441) 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, 50006736 + ... + 50006741.
It is an arithmetic number, because the mean of its divisors is an integer number (100013478).
Almost surely, 2300040431 is an apocalyptic number.
300040431 is a deficient number, since it is larger than the sum of its proper divisors (100013481).
300040431 is a wasteful number, since it uses less digits than its factorization.
300040431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100013480.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 300040431 is about 17321.6751788042. The cubic root of 300040431 is about 669.4630218908.
Adding to 300040431 its reverse (134040003), we get a palindrome (434080434).
The spelling of 300040431 in words is "three hundred million, forty thousand, four hundred thirty-one".
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