Base | Representation |
---|---|
bin | 110111000010… |
… | …0011010000110 |
3 | 2000021221002202 |
4 | 1232010122012 |
5 | 24341311034 |
6 | 2510234502 |
7 | 500153066 |
oct | 156043206 |
9 | 60257082 |
10 | 28853894 |
11 | 153183a3 |
12 | 97b5a32 |
13 | 5c93414 |
14 | 3b913a6 |
15 | 27ee47e |
hex | 1b84686 |
28853894 has 8 divisors (see below), whose sum is σ = 45558840. Its totient is φ = 13667616.
The previous prime is 28853893. The next prime is 28853897. The reversal of 28853894 is 49835882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28853893) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379619 + ... + 379694.
It is an arithmetic number, because the mean of its divisors is an integer number (5694855).
Almost surely, 228853894 is an apocalyptic number.
28853894 is a deficient number, since it is larger than the sum of its proper divisors (16704946).
28853894 is a wasteful number, since it uses less digits than its factorization.
28853894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 759334.
The product of its digits is 552960, while the sum is 47.
The square root of 28853894 is about 5371.5820760740. The cubic root of 28853894 is about 306.7148551139.
The spelling of 28853894 in words is "twenty-eight million, eight hundred fifty-three thousand, eight hundred ninety-four".
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