Base | Representation |
---|---|
bin | 111001010011… |
… | …1010000101000 |
3 | 2002112110022002 |
4 | 1302213100220 |
5 | 30142421344 |
6 | 2551550132 |
7 | 513244256 |
oct | 162472050 |
9 | 62473262 |
10 | 30045224 |
11 | 15a61470 |
12 | a08b348 |
13 | 62bc751 |
14 | 3dc15d6 |
15 | 298744e |
hex | 1ca7428 |
30045224 has 16 divisors (see below), whose sum is σ = 61456320. Its totient is φ = 13656880.
The previous prime is 30045217. The next prime is 30045227. The reversal of 30045224 is 42254003.
It is a junction number, because it is equal to n+sod(n) for n = 30045196 and 30045205.
It is not an unprimeable number, because it can be changed into a prime (30045227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170624 + ... + 170799.
It is an arithmetic number, because the mean of its divisors is an integer number (3841020).
Almost surely, 230045224 is an apocalyptic number.
It is an amenable number.
30045224 is an abundant number, since it is smaller than the sum of its proper divisors (31411096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30045224 is a wasteful number, since it uses less digits than its factorization.
30045224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 341440 (or 341436 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 20.
The square root of 30045224 is about 5481.3523878693. The cubic root of 30045224 is about 310.8793071859.
Adding to 30045224 its reverse (42254003), we get a palindrome (72299227).
It can be divided in two parts, 3004 and 5224, that added together give a palindrome (8228).
The spelling of 30045224 in words is "thirty million, forty-five thousand, two hundred twenty-four".
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