Base | Representation |
---|---|
bin | 111001010110… |
… | …0100001001000 |
3 | 2002120112211201 |
4 | 1302230201020 |
5 | 30144114020 |
6 | 2552233544 |
7 | 513364123 |
oct | 162544110 |
9 | 62515751 |
10 | 30066760 |
11 | 15a76669 |
12 | a09b8b4 |
13 | 62c94a9 |
14 | 3dc93ba |
15 | 298da0a |
hex | 1cac848 |
30066760 has 16 divisors (see below), whose sum is σ = 67650300. Its totient is φ = 12026688.
The previous prime is 30066749. The next prime is 30066763. The reversal of 30066760 is 6766003.
It can be written as a sum of positive squares in 2 ways, for example, as 28494244 + 1572516 = 5338^2 + 1254^2 .
It is not an unprimeable number, because it can be changed into a prime (30066763) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375795 + ... + 375874.
Almost surely, 230066760 is an apocalyptic number.
It is an amenable number.
30066760 is an abundant number, since it is smaller than the sum of its proper divisors (37583540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30066760 is a wasteful number, since it uses less digits than its factorization.
30066760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 751680 (or 751676 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 28.
The square root of 30066760 is about 5483.3165146652. The cubic root of 30066760 is about 310.9535674382.
The spelling of 30066760 in words is "thirty million, sixty-six thousand, seven hundred sixty".
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