Base | Representation |
---|---|
bin | 111001010001… |
… | …0111100101100 |
3 | 2002111120002000 |
4 | 1302202330230 |
5 | 30141340224 |
6 | 2551332300 |
7 | 513141630 |
oct | 162427454 |
9 | 62446060 |
10 | 30027564 |
11 | 15a4a176 |
12 | a081090 |
13 | 62b46b8 |
14 | 3db8dc0 |
15 | 29820c9 |
hex | 1ca2f2c |
30027564 has 48 divisors (see below), whose sum is σ = 88972800. Its totient is φ = 8579088.
The previous prime is 30027563. The next prime is 30027587. The reversal of 30027564 is 46572003.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (30027563) 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, 19104 + ... + 20615.
It is an arithmetic number, because the mean of its divisors is an integer number (1853600).
Almost surely, 230027564 is an apocalyptic number.
It is an amenable number.
30027564 is an abundant number, since it is smaller than the sum of its proper divisors (58945236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30027564 is a wasteful number, since it uses less digits than its factorization.
30027564 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39739 (or 39731 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 30027564 is about 5479.7412347665. The cubic root of 30027564 is about 310.8183856389.
Adding to 30027564 its reverse (46572003), we get a palindrome (76599567).
The spelling of 30027564 in words is "thirty million, twenty-seven thousand, five hundred sixty-four".
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