Base | Representation |
---|---|
bin | 111001101001… |
… | …0101101100001 |
3 | 2002212111102211 |
4 | 1303102231201 |
5 | 30214120301 |
6 | 2555442121 |
7 | 514615201 |
oct | 163225541 |
9 | 62774384 |
10 | 30223201 |
11 | 16073158 |
12 | a156341 |
13 | 6352768 |
14 | 402a401 |
15 | 29c0051 |
hex | 1cd2b61 |
30223201 has 2 divisors, whose sum is σ = 30223202. Its totient is φ = 30223200.
The previous prime is 30223189. The next prime is 30223211. The reversal of 30223201 is 10232203.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27836176 + 2387025 = 5276^2 + 1545^2 .
It is a cyclic number.
It is not a de Polignac number, because 30223201 - 27 = 30223073 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30223211) 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 as a sum of consecutive naturals, namely, 15111600 + 15111601.
It is an arithmetic number, because the mean of its divisors is an integer number (15111601).
Almost surely, 230223201 is an apocalyptic number.
It is an amenable number.
30223201 is a deficient number, since it is larger than the sum of its proper divisors (1).
30223201 is an equidigital number, since it uses as much as digits as its factorization.
30223201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 30223201 is about 5497.5631874495. The cubic root of 30223201 is about 311.4919444802.
Adding to 30223201 its reverse (10232203), we get a palindrome (40455404).
The spelling of 30223201 in words is "thirty million, two hundred twenty-three thousand, two hundred one".
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