Base | Representation |
---|---|
bin | 111010010101… |
… | …0001001100010 |
3 | 2010112200201110 |
4 | 1310222021202 |
5 | 30312100341 |
6 | 3011244150 |
7 | 520636305 |
oct | 164521142 |
9 | 63480643 |
10 | 30581346 |
11 | 16298244 |
12 | a2a9656 |
13 | 6449793 |
14 | 40c0b3c |
15 | 2a41216 |
hex | 1d2a262 |
30581346 has 32 divisors (see below), whose sum is σ = 62668800. Its totient is φ = 9945936.
The previous prime is 30581323. The next prime is 30581381. The reversal of 30581346 is 64318503.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 50755 + ... + 51353.
It is an arithmetic number, because the mean of its divisors is an integer number (1958400).
Almost surely, 230581346 is an apocalyptic number.
30581346 is an abundant number, since it is smaller than the sum of its proper divisors (32087454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30581346 is a wasteful number, since it uses less digits than its factorization.
30581346 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 798.
The product of its (nonzero) digits is 8640, while the sum is 30.
The square root of 30581346 is about 5530.0403253503. The cubic root of 30581346 is about 312.7175095849.
Adding to 30581346 its reverse (64318503), we get a palindrome (94899849).
The spelling of 30581346 in words is "thirty million, five hundred eighty-one thousand, three hundred forty-six".
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