Base | Representation |
---|---|
bin | 111011000001… |
… | …1000001010110 |
3 | 2011020012001200 |
4 | 1312003001112 |
5 | 30410222431 |
6 | 3023133330 |
7 | 524013504 |
oct | 166030126 |
9 | 64205050 |
10 | 30945366 |
11 | 16516791 |
12 | a444246 |
13 | 654638a |
14 | 4177674 |
15 | 2ab3ee6 |
hex | 1d83056 |
30945366 has 12 divisors (see below), whose sum is σ = 67048332. Its totient is φ = 10315116.
The previous prime is 30945359. The next prime is 30945377. The reversal of 30945366 is 66354903.
30945366 is a `hidden beast` number, since 30 + 94 + 536 + 6 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 30945366.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 859576 + ... + 859611.
It is an arithmetic number, because the mean of its divisors is an integer number (5587361).
Almost surely, 230945366 is an apocalyptic number.
30945366 is an abundant number, since it is smaller than the sum of its proper divisors (36102966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30945366 is a wasteful number, since it uses less digits than its factorization.
30945366 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1719195 (or 1719192 counting only the distinct ones).
The product of its (nonzero) digits is 58320, while the sum is 36.
The square root of 30945366 is about 5562.8559211973. The cubic root of 30945366 is about 313.9534124291.
The spelling of 30945366 in words is "thirty million, nine hundred forty-five thousand, three hundred sixty-six".
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