Base | Representation |
---|---|
bin | 10001111010000… |
… | …100001100101101 |
3 | 202221022122021101 |
4 | 101322010030231 |
5 | 1103402343341 |
6 | 45451203101 |
7 | 10305435343 |
oct | 2172041455 |
9 | 687278241 |
10 | 300434221 |
11 | 14465074a |
12 | 84746491 |
13 | 4a320639 |
14 | 2bc87993 |
15 | 1b597831 |
hex | 11e8432d |
300434221 has 4 divisors (see below), whose sum is σ = 302727744. Its totient is φ = 298140700.
The previous prime is 300434219. The next prime is 300434227. The reversal of 300434221 is 122434003.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122434003 = 173 ⋅707711.
It is a cyclic number.
It is not a de Polignac number, because 300434221 - 21 = 300434219 is a prime.
It is a super-2 number, since 2×3004342212 = 180521442295753682, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (300434227) 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, 1146565 + ... + 1146826.
It is an arithmetic number, because the mean of its divisors is an integer number (75681936).
Almost surely, 2300434221 is an apocalyptic number.
It is an amenable number.
300434221 is a deficient number, since it is larger than the sum of its proper divisors (2293523).
300434221 is a wasteful number, since it uses less digits than its factorization.
300434221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2293522.
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 300434221 is about 17333.0384237733. The cubic root of 300434221 is about 669.7557742078.
Adding to 300434221 its reverse (122434003), we get a palindrome (422868224).
The spelling of 300434221 in words is "three hundred million, four hundred thirty-four thousand, two hundred twenty-one".
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