Base | Representation |
---|---|
bin | 111001101000… |
… | …0100000110001 |
3 | 2002212001002012 |
4 | 1303100200301 |
5 | 30213323233 |
6 | 2555332305 |
7 | 514550012 |
oct | 163204061 |
9 | 62761065 |
10 | 30214193 |
11 | 16067409 |
12 | a151095 |
13 | 634b629 |
14 | 4027009 |
15 | 29bc548 |
hex | 1cd0831 |
30214193 has 2 divisors, whose sum is σ = 30214194. Its totient is φ = 30214192.
The previous prime is 30214183. The next prime is 30214207. The reversal of 30214193 is 39141203.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 25120144 + 5094049 = 5012^2 + 2257^2 .
It is an emirp because it is prime and its reverse (39141203) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30214193 is a prime.
It is not a weakly prime, because it can be changed into another prime (30214133) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15107096 + 15107097.
It is an arithmetic number, because the mean of its divisors is an integer number (15107097).
Almost surely, 230214193 is an apocalyptic number.
It is an amenable number.
30214193 is a deficient number, since it is larger than the sum of its proper divisors (1).
30214193 is an equidigital number, since it uses as much as digits as its factorization.
30214193 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 30214193 is about 5496.7438543196. The cubic root of 30214193 is about 311.4609947665.
Adding to 30214193 its reverse (39141203), we get a palindrome (69355396).
The spelling of 30214193 in words is "thirty million, two hundred fourteen thousand, one hundred ninety-three".
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