Base | Representation |
---|---|
bin | 111010000101… |
… | …0001111101010 |
3 | 2010022001110110 |
4 | 1310022033222 |
5 | 30243410131 |
6 | 3004355150 |
7 | 516553311 |
oct | 164121752 |
9 | 63261413 |
10 | 30450666 |
11 | 16209044 |
12 | a245ab6 |
13 | 640215c |
14 | 4089278 |
15 | 2a17646 |
hex | 1d0a3ea |
30450666 has 32 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 9660464.
The previous prime is 30450653. The next prime is 30450671. The reversal of 30450666 is 66605403.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 35875 + ... + 36713.
It is an arithmetic number, because the mean of its divisors is an integer number (1995840).
Almost surely, 230450666 is an apocalyptic number.
30450666 is an abundant number, since it is smaller than the sum of its proper divisors (33416214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30450666 is a wasteful number, since it uses less digits than its factorization.
30450666 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1130.
The product of its (nonzero) digits is 12960, while the sum is 30.
The square root of 30450666 is about 5518.2122104899. The cubic root of 30450666 is about 312.2714394864.
The spelling of 30450666 in words is "thirty million, four hundred fifty thousand, six hundred sixty-six".
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