Base | Representation |
---|---|
bin | 111001101101… |
… | …1010111101100 |
3 | 2002221022002102 |
4 | 1303123113230 |
5 | 30221234133 |
6 | 3000314232 |
7 | 515123456 |
oct | 163332754 |
9 | 62838072 |
10 | 30258668 |
11 | 16097870 |
12 | a172978 |
13 | 636594b |
14 | 40392d6 |
15 | 29ca7e8 |
hex | 1cdb5ec |
30258668 has 24 divisors (see below), whose sum is σ = 58134720. Its totient is φ = 13666320.
The previous prime is 30258661. The next prime is 30258689. The reversal of 30258668 is 86685203.
It is not an unprimeable number, because it can be changed into a prime (30258661) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5063 + ... + 9281.
It is an arithmetic number, because the mean of its divisors is an integer number (2422280).
Almost surely, 230258668 is an apocalyptic number.
It is an amenable number.
30258668 is a deficient number, since it is larger than the sum of its proper divisors (27876052).
30258668 is a wasteful number, since it uses less digits than its factorization.
30258668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4397 (or 4395 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 38.
The square root of 30258668 is about 5500.7879435586. The cubic root of 30258668 is about 311.6137423678.
The spelling of 30258668 in words is "thirty million, two hundred fifty-eight thousand, six hundred sixty-eight".
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