Base | Representation |
---|---|
bin | 111001101110… |
… | …0001111010001 |
3 | 2002221110222011 |
4 | 1303130033101 |
5 | 30221342400 |
6 | 3000342521 |
7 | 515140030 |
oct | 163341721 |
9 | 62843864 |
10 | 30262225 |
11 | 1609a504 |
12 | a174a41 |
13 | 6367456 |
14 | 403a717 |
15 | 29cb8ba |
hex | 1cdc3d1 |
30262225 has 48 divisors (see below), whose sum is σ = 45532800. Its totient is φ = 19514880.
The previous prime is 30262213. The next prime is 30262229. The reversal of 30262225 is 52226203.
It is a happy number.
It is not a de Polignac number, because 30262225 - 27 = 30262097 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30262196 and 30262205.
It is not an unprimeable number, because it can be changed into a prime (30262229) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 339981 + ... + 340069.
It is an arithmetic number, because the mean of its divisors is an integer number (948600).
Almost surely, 230262225 is an apocalyptic number.
30262225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30262225 is a deficient number, since it is larger than the sum of its proper divisors (15270575).
30262225 is a wasteful number, since it uses less digits than its factorization.
30262225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202 (or 197 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 30262225 is about 5501.1112513746. Note that the first 3 decimals coincide. The cubic root of 30262225 is about 311.6259522757.
Adding to 30262225 its reverse (52226203), we get a palindrome (82488428).
The spelling of 30262225 in words is "thirty million, two hundred sixty-two thousand, two hundred twenty-five".
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