Base | Representation |
---|---|
bin | 110111001111… |
… | …0011111100110 |
3 | 2000111100200002 |
4 | 1232132133212 |
5 | 24403220432 |
6 | 2512421302 |
7 | 501106436 |
oct | 156363746 |
9 | 60440602 |
10 | 28960742 |
11 | 153906a8 |
12 | 9847832 |
13 | 5cccc45 |
14 | 3bbc2c6 |
15 | 2820e62 |
hex | 1b9e7e6 |
28960742 has 8 divisors (see below), whose sum is σ = 44365536. Its totient is φ = 14172232.
The previous prime is 28960739. The next prime is 28960747. The reversal of 28960742 is 24706982.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 28960696 and 28960705.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28960747) 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 3 ways as a sum of consecutive naturals, for example, 153953 + ... + 154140.
It is an arithmetic number, because the mean of its divisors is an integer number (5545692).
Almost surely, 228960742 is an apocalyptic number.
28960742 is a deficient number, since it is larger than the sum of its proper divisors (15404794).
28960742 is a wasteful number, since it uses less digits than its factorization.
28960742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 308142.
The product of its (nonzero) digits is 48384, while the sum is 38.
The square root of 28960742 is about 5381.5185589200. The cubic root of 28960742 is about 307.0929843151.
The spelling of 28960742 in words is "twenty-eight million, nine hundred sixty thousand, seven hundred forty-two".
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