Base | Representation |
---|---|
bin | 1000111110101… |
… | …11000111101011 |
3 | 12020202011101000 |
4 | 10133113013223 |
5 | 123241030102 |
6 | 11250330043 |
7 | 1603203033 |
oct | 437270753 |
9 | 166664330 |
10 | 75330027 |
11 | 39581623 |
12 | 21289923 |
13 | 127b68a6 |
14 | a00c8c3 |
15 | 693001c |
hex | 47d71eb |
75330027 has 8 divisors (see below), whose sum is σ = 111600080. Its totient is φ = 50220000.
The previous prime is 75330019. The next prime is 75330071. The reversal of 75330027 is 72003357.
It is not a de Polignac number, because 75330027 - 23 = 75330019 is a prime.
It is a super-2 number, since 2×753300272 = 11349225935641458, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2790001 = 75330027 / (7 + 5 + 3 + 3 + 0 + 0 + 2 + 7).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75330097) 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, 1394974 + ... + 1395027.
It is an arithmetic number, because the mean of its divisors is an integer number (13950010).
Almost surely, 275330027 is an apocalyptic number.
75330027 is a deficient number, since it is larger than the sum of its proper divisors (36270053).
75330027 is a wasteful number, since it uses less digits than its factorization.
75330027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2790010 (or 2790004 counting only the distinct ones).
The product of its (nonzero) digits is 4410, while the sum is 27.
The square root of 75330027 is about 8679.2872403211. The cubic root of 75330027 is about 422.3339954491. Note that the first 3 decimals are identical.
The spelling of 75330027 in words is "seventy-five million, three hundred thirty thousand, twenty-seven".
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