Base | Representation |
---|---|
bin | 110110111010… |
… | …1111111100100 |
3 | 2000011221010000 |
4 | 1231311333210 |
5 | 24332413402 |
6 | 2505101300 |
7 | 466516002 |
oct | 155657744 |
9 | 60157100 |
10 | 28794852 |
11 | 15287aa9 |
12 | 9787830 |
13 | 5c72598 |
14 | 3b77a72 |
15 | 27dbc1c |
hex | 1b75fe4 |
28794852 has 30 divisors (see below), whose sum is σ = 75276278. Its totient is φ = 9598176.
The previous prime is 28794817. The next prime is 28794853. The reversal of 28794852 is 25849782.
It can be written as a sum of positive squares in only one way, i.e., 26873856 + 1920996 = 5184^2 + 1386^2 .
It is a junction number, because it is equal to n+sod(n) for n = 28794798 and 28794807.
It is not an unprimeable number, because it can be changed into a prime (28794853) 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 9 ways as a sum of consecutive naturals, for example, 44113 + ... + 44760.
Almost surely, 228794852 is an apocalyptic number.
It is an amenable number.
28794852 is an abundant number, since it is smaller than the sum of its proper divisors (46481426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28794852 is a wasteful number, since it uses less digits than its factorization.
28794852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88889 (or 88878 counting only the distinct ones).
The product of its digits is 322560, while the sum is 45.
The square root of 28794852 is about 5366.0834879826. The cubic root of 28794852 is about 306.5055081610.
It can be divided in two parts, 28794 and 852, that added together give a triangular number (29646 = T243).
The spelling of 28794852 in words is "twenty-eight million, seven hundred ninety-four thousand, eight hundred fifty-two".
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