Base | Representation |
---|---|
bin | 111001101010… |
… | …1111001110011 |
3 | 2002220011101001 |
4 | 1303111321303 |
5 | 30220030100 |
6 | 3000022431 |
7 | 515001256 |
oct | 163257163 |
9 | 62804331 |
10 | 30236275 |
11 | 16081a63 |
12 | a161a17 |
13 | 63586b4 |
14 | 403109d |
15 | 29c3d6a |
hex | 1cd5e73 |
30236275 has 12 divisors (see below), whose sum is σ = 38292192. Its totient is φ = 23673440.
The previous prime is 30236263. The next prime is 30236279. The reversal of 30236275 is 57263203.
It is not a de Polignac number, because 30236275 - 25 = 30236243 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30236279) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11692 + ... + 14041.
It is an arithmetic number, because the mean of its divisors is an integer number (3191016).
Almost surely, 230236275 is an apocalyptic number.
30236275 is a deficient number, since it is larger than the sum of its proper divisors (8055917).
30236275 is a wasteful number, since it uses less digits than its factorization.
30236275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25790 (or 25785 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 28.
The square root of 30236275 is about 5498.7521311658. The cubic root of 30236275 is about 311.5368532309.
Adding to 30236275 its reverse (57263203), we get a palindrome (87499478).
The spelling of 30236275 in words is "thirty million, two hundred thirty-six thousand, two hundred seventy-five".
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