Base | Representation |
---|---|
bin | 111001010101… |
… | …1000011001110 |
3 | 2002120020121010 |
4 | 1302223003032 |
5 | 30143421000 |
6 | 2552150050 |
7 | 513340446 |
oct | 162530316 |
9 | 62506533 |
10 | 30060750 |
11 | 15a720a5 |
12 | a098326 |
13 | 62c6835 |
14 | 3dc7126 |
15 | 298bd50 |
hex | 1cab0ce |
30060750 has 64 divisors (see below), whose sum is σ = 75816000. Its totient is φ = 7932800.
The previous prime is 30060721. The next prime is 30060757. The reversal of 30060750 is 5706003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30060757) 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 31 ways as a sum of consecutive naturals, for example, 111616 + ... + 111884.
It is an arithmetic number, because the mean of its divisors is an integer number (1184625).
Almost surely, 230060750 is an apocalyptic number.
30060750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30060750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37908000).
30060750 is an abundant number, since it is smaller than the sum of its proper divisors (45755250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30060750 is a wasteful number, since it uses less digits than its factorization.
30060750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 438 (or 428 counting only the distinct ones).
The product of its (nonzero) digits is 630, while the sum is 21.
The square root of 30060750 is about 5482.7684612794. The cubic root of 30060750 is about 310.9328473753.
Adding to 30060750 its reverse (5706003), we get a palindrome (35766753).
The spelling of 30060750 in words is "thirty million, sixty thousand, seven hundred fifty".
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