Base | Representation |
---|---|
bin | 1000111011111… |
… | …10011011011001 |
3 | 12020001201001010 |
4 | 10131332123121 |
5 | 123142413440 |
6 | 11234444133 |
7 | 1600130640 |
oct | 435763331 |
9 | 166051033 |
10 | 74966745 |
11 | 39353697 |
12 | 21133649 |
13 | 126ba429 |
14 | 9d56357 |
15 | 68ac580 |
hex | 477e6d9 |
74966745 has 32 divisors (see below), whose sum is σ = 138458880. Its totient is φ = 33926400.
The previous prime is 74966707. The next prime is 74966767. The reversal of 74966745 is 54766947.
It is not a de Polignac number, because 74966745 - 210 = 74965721 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 74966694 and 74966703.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 7071 + ... + 14139.
It is an arithmetic number, because the mean of its divisors is an integer number (4326840).
Almost surely, 274966745 is an apocalyptic number.
It is an amenable number.
74966745 is a deficient number, since it is larger than the sum of its proper divisors (63492135).
74966745 is a wasteful number, since it uses less digits than its factorization.
74966745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7185.
The product of its digits is 1270080, while the sum is 48.
The square root of 74966745 is about 8658.3338466474. Note that the first 3 decimals coincide. The cubic root of 74966745 is about 421.6539937623.
It can be divided in two parts, 7496 and 6745, that added together give a palindrome (14241).
The spelling of 74966745 in words is "seventy-four million, nine hundred sixty-six thousand, seven hundred forty-five".
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