Base | Representation |
---|---|
bin | 111001100101… |
… | …1111011110110 |
3 | 2002211002100212 |
4 | 1303023323312 |
5 | 30212223241 |
6 | 2555105422 |
7 | 514441241 |
oct | 163137366 |
9 | 62732325 |
10 | 30195446 |
11 | 16054316 |
12 | a142272 |
13 | 6342c38 |
14 | 4020258 |
15 | 29b6beb |
hex | 1ccbef6 |
30195446 has 16 divisors (see below), whose sum is σ = 48006000. Its totient is φ = 14204448.
The previous prime is 30195443. The next prime is 30195449. The reversal of 30195446 is 64459103.
It is an interprime number because it is at equal distance from previous prime (30195443) and next prime (30195449).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30195443) 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 7 ways as a sum of consecutive naturals, for example, 2996 + ... + 8328.
It is an arithmetic number, because the mean of its divisors is an integer number (3000375).
Almost surely, 230195446 is an apocalyptic number.
30195446 is a deficient number, since it is larger than the sum of its proper divisors (17810554).
30195446 is a wasteful number, since it uses less digits than its factorization.
30195446 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5503.
The product of its (nonzero) digits is 12960, while the sum is 32.
The square root of 30195446 is about 5495.0383074188. The cubic root of 30195446 is about 311.3965640389.
The spelling of 30195446 in words is "thirty million, one hundred ninety-five thousand, four hundred forty-six".
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