Base | Representation |
---|---|
bin | 111001101000… |
… | …0100001100011 |
3 | 2002212001011001 |
4 | 1303100201203 |
5 | 30213323433 |
6 | 2555332431 |
7 | 514550113 |
oct | 163204143 |
9 | 62761131 |
10 | 30214243 |
11 | 16067454 |
12 | a151117 |
13 | 634b667 |
14 | 4027043 |
15 | 29bc57d |
hex | 1cd0863 |
30214243 has 4 divisors (see below), whose sum is σ = 31188928. Its totient is φ = 29239560.
The previous prime is 30214207. The next prime is 30214267. The reversal of 30214243 is 34241203.
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 30214243 - 221 = 28117091 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30214243.
It is not an unprimeable number, because it can be changed into a prime (30214543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487296 + ... + 487357.
It is an arithmetic number, because the mean of its divisors is an integer number (7797232).
Almost surely, 230214243 is an apocalyptic number.
30214243 is a deficient number, since it is larger than the sum of its proper divisors (974685).
30214243 is an equidigital number, since it uses as much as digits as its factorization.
30214243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 974684.
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 30214243 is about 5496.7484024649. The cubic root of 30214243 is about 311.4611665737.
Adding to 30214243 its reverse (34241203), we get a palindrome (64455446).
The spelling of 30214243 in words is "thirty million, two hundred fourteen thousand, two hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •