Base | Representation |
---|---|
bin | 111001101001… |
… | …1101100001010 |
3 | 2002212200221022 |
4 | 1303103230022 |
5 | 30214232320 |
6 | 2555512442 |
7 | 514632656 |
oct | 163235412 |
9 | 62780838 |
10 | 30227210 |
11 | 16076172 |
12 | a158722 |
13 | 6354530 |
14 | 402ba66 |
15 | 29c1325 |
hex | 1cd3b0a |
30227210 has 32 divisors (see below), whose sum is σ = 59007312. Its totient is φ = 11082240.
The previous prime is 30227203. The next prime is 30227213. The reversal of 30227210 is 1272203.
It can be written as a sum of positive squares in 8 ways, for example, as 4084441 + 26142769 = 2021^2 + 5113^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30227213) 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 15 ways as a sum of consecutive naturals, for example, 19670 + ... + 21150.
Almost surely, 230227210 is an apocalyptic number.
30227210 is a deficient number, since it is larger than the sum of its proper divisors (28780102).
30227210 is a wasteful number, since it uses less digits than its factorization.
30227210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1658.
The product of its (nonzero) digits is 168, while the sum is 17.
The square root of 30227210 is about 5497.9277914502. The cubic root of 30227210 is about 311.5057166370.
Adding to 30227210 its reverse (1272203), we get a palindrome (31499413).
The spelling of 30227210 in words is "thirty million, two hundred twenty-seven thousand, two hundred ten".
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