Base | Representation |
---|---|
bin | 110111001110… |
… | …1100001010010 |
3 | 2000111011012101 |
4 | 1232131201102 |
5 | 24403104004 |
6 | 2512351014 |
7 | 501062011 |
oct | 156354122 |
9 | 60434171 |
10 | 28956754 |
11 | 15388702 |
12 | 984546a |
13 | 5ccb198 |
14 | 3bbaa78 |
15 | 281eba4 |
hex | 1b9d852 |
28956754 has 8 divisors (see below), whose sum is σ = 43464780. Its totient is φ = 14468496.
The previous prime is 28956751. The next prime is 28956757. The reversal of 28956754 is 45765982.
It is an interprime number because it is at equal distance from previous prime (28956751) and next prime (28956757).
It can be written as a sum of positive squares in 2 ways, for example, as 27279729 + 1677025 = 5223^2 + 1295^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (28956751) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469 + ... + 7624.
Almost surely, 228956754 is an apocalyptic number.
28956754 is a deficient number, since it is larger than the sum of its proper divisors (14508026).
28956754 is a wasteful number, since it uses less digits than its factorization.
28956754 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9884.
The product of its digits is 604800, while the sum is 46.
The square root of 28956754 is about 5381.1480187781. The cubic root of 28956754 is about 307.0788877260.
The spelling of 28956754 in words is "twenty-eight million, nine hundred fifty-six thousand, seven hundred fifty-four".
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