Base | Representation |
---|---|
bin | 111010111011… |
… | …0011111110010 |
3 | 2011010120200200 |
4 | 1311312133302 |
5 | 30402102231 |
6 | 3022100030 |
7 | 523411110 |
oct | 165663762 |
9 | 64116620 |
10 | 30894066 |
11 | 16491195 |
12 | a41a616 |
13 | 6528c18 |
14 | 4162ab0 |
15 | 2aa3be6 |
hex | 1d767f2 |
30894066 has 48 divisors (see below), whose sum is σ = 81005184. Its totient is φ = 8307072.
The previous prime is 30894043. The next prime is 30894067. The reversal of 30894066 is 66049803.
It is a self number, because there is not a number n which added to its sum of digits gives 30894066.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30894067) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5070 + ... + 9353.
It is an arithmetic number, because the mean of its divisors is an integer number (1687608).
Almost surely, 230894066 is an apocalyptic number.
30894066 is an abundant number, since it is smaller than the sum of its proper divisors (50111118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30894066 is a wasteful number, since it uses less digits than its factorization.
30894066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14455 (or 14452 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 30894066 is about 5558.2430677328. The cubic root of 30894066 is about 313.7798299707.
The spelling of 30894066 in words is "thirty million, eight hundred ninety-four thousand, sixty-six".
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