Base | Representation |
---|---|
bin | 111001010111… |
… | …0100110101010 |
3 | 2002120222120020 |
4 | 1302232212222 |
5 | 30144402211 |
6 | 2552341310 |
7 | 513431052 |
oct | 162564652 |
9 | 62528506 |
10 | 30075306 |
11 | 15a82028 |
12 | a0a4836 |
13 | 6300351 |
14 | 3dcc562 |
15 | 2991306 |
hex | 1cae9aa |
30075306 has 16 divisors (see below), whose sum is σ = 62766144. Its totient is φ = 9589184.
The previous prime is 30075281. The next prime is 30075313. The reversal of 30075306 is 60357003.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108831 + ... + 109106.
It is an arithmetic number, because the mean of its divisors is an integer number (3922884).
Almost surely, 230075306 is an apocalyptic number.
30075306 is an abundant number, since it is smaller than the sum of its proper divisors (32690838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30075306 is a wasteful number, since it uses less digits than its factorization.
30075306 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217965.
The product of its (nonzero) digits is 1890, while the sum is 24.
The square root of 30075306 is about 5484.0957322060. The cubic root of 30075306 is about 310.9830258551.
It can be divided in two parts, 30075 and 306, that added together give a triangular number (30381 = T246).
The spelling of 30075306 in words is "thirty million, seventy-five thousand, three hundred six".
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