Base | Representation |
---|---|
bin | 110110111010… |
… | …1000000110000 |
3 | 2000011201121010 |
4 | 1231311000300 |
5 | 24332301312 |
6 | 2505030520 |
7 | 466501200 |
oct | 155650060 |
9 | 60151533 |
10 | 28790832 |
11 | 15284a84 |
12 | 9785440 |
13 | 5c707c5 |
14 | 3b76400 |
15 | 27da93c |
hex | 1b75030 |
28790832 has 60 divisors (see below), whose sum is σ = 86526456. Its totient is φ = 8225280.
The previous prime is 28790807. The next prime is 28790849. The reversal of 28790832 is 23809782.
28790832 is nontrivially palindromic in base 13.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 3769 + ... + 8472.
Almost surely, 228790832 is an apocalyptic number.
It is an amenable number.
28790832 is an abundant number, since it is smaller than the sum of its proper divisors (57735624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28790832 is a wasteful number, since it uses less digits than its factorization.
28790832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12266 (or 12253 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 28790832 is about 5365.7089000429. The cubic root of 28790832 is about 306.4912439274.
It can be divided in two parts, 287 and 90832, that added together give a palindrome (91119).
The spelling of 28790832 in words is "twenty-eight million, seven hundred ninety thousand, eight hundred thirty-two".
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