Base | Representation |
---|---|
bin | 111001010111… |
… | …0100100100110 |
3 | 2002120222101100 |
4 | 1302232210212 |
5 | 30144401144 |
6 | 2552340530 |
7 | 513430503 |
oct | 162564446 |
9 | 62528340 |
10 | 30075174 |
11 | 15a81a18 |
12 | a0a4746 |
13 | 630027c |
14 | 3dcc4aa |
15 | 2991269 |
hex | 1cae926 |
30075174 has 48 divisors (see below), whose sum is σ = 67021344. Its totient is φ = 9744000.
The previous prime is 30075173. The next prime is 30075187. The reversal of 30075174 is 47157003.
It is a super-2 number, since 2×300751742 = 1809032182260552, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30075173) 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 23 ways as a sum of consecutive naturals, for example, 128962 + ... + 129194.
It is an arithmetic number, because the mean of its divisors is an integer number (1396278).
Almost surely, 230075174 is an apocalyptic number.
30075174 is an abundant number, since it is smaller than the sum of its proper divisors (36946170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30075174 is a wasteful number, since it uses less digits than its factorization.
30075174 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 413 (or 410 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 30075174 is about 5484.0836973919. The cubic root of 30075174 is about 310.9825708880.
The spelling of 30075174 in words is "thirty million, seventy-five thousand, one hundred seventy-four".
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