Base | Representation |
---|---|
bin | 1000111100000… |
… | …10110110111001 |
3 | 12020002121221010 |
4 | 10132002312321 |
5 | 123144004024 |
6 | 11235104133 |
7 | 1600234560 |
oct | 436026671 |
9 | 166077833 |
10 | 74984889 |
11 | 39366291 |
12 | 21142049 |
13 | 126c5775 |
14 | 9d5cbd7 |
15 | 68b2b29 |
hex | 4782db9 |
74984889 has 16 divisors (see below), whose sum is σ = 114573312. Its totient is φ = 42732048.
The previous prime is 74984873. The next prime is 74984891. The reversal of 74984889 is 98848947.
It is not a de Polignac number, because 74984889 - 24 = 74984873 is a prime.
It is not an unprimeable number, because it can be changed into a prime (74984839) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3382 + ... + 12704.
It is an arithmetic number, because the mean of its divisors is an integer number (7160832).
Almost surely, 274984889 is an apocalyptic number.
It is an amenable number.
74984889 is a deficient number, since it is larger than the sum of its proper divisors (39588423).
74984889 is a wasteful number, since it uses less digits than its factorization.
74984889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9716.
The product of its digits is 4644864, while the sum is 57.
The square root of 74984889 is about 8659.3815599037. The cubic root of 74984889 is about 421.6880082796.
The spelling of 74984889 in words is "seventy-four million, nine hundred eighty-four thousand, eight hundred eighty-nine".
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