Base | Representation |
---|---|
bin | 10001111101110… |
… | …101001101110111 |
3 | 210000011210110201 |
4 | 101331311031313 |
5 | 1104130441211 |
6 | 45524301331 |
7 | 10320016453 |
oct | 2175651567 |
9 | 700153421 |
10 | 301421431 |
11 | 145165423 |
12 | 84b41847 |
13 | 4a5a7a9c |
14 | 2c063663 |
15 | 1b6e00c1 |
hex | 11f75377 |
301421431 has 4 divisors (see below), whose sum is σ = 301909000. Its totient is φ = 300933864.
The previous prime is 301421423. The next prime is 301421507. The reversal of 301421431 is 134124103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134124103 = 7919 ⋅16937.
It is a cyclic number.
It is not a de Polignac number, because 301421431 - 23 = 301421423 is a prime.
It is a super-2 number, since 2×3014214312 = 181709758132175522, 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 = 301421399 and 301421408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (301422431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242856 + ... + 244093.
It is an arithmetic number, because the mean of its divisors is an integer number (75477250).
Almost surely, 2301421431 is an apocalyptic number.
301421431 is a deficient number, since it is larger than the sum of its proper divisors (487569).
301421431 is an equidigital number, since it uses as much as digits as its factorization.
301421431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 487568.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 301421431 is about 17361.4927641606. The cubic root of 301421431 is about 670.4885654593.
Adding to 301421431 its reverse (134124103), we get a palindrome (435545534).
The spelling of 301421431 in words is "three hundred one million, four hundred twenty-one thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •