Base | Representation |
---|---|
bin | 110111000001… |
… | …1111101001111 |
3 | 2000021211120100 |
4 | 1232003331033 |
5 | 24341231142 |
6 | 2510222143 |
7 | 500144520 |
oct | 156037517 |
9 | 60254510 |
10 | 28852047 |
11 | 15316a74 |
12 | 97b4953 |
13 | 5c92623 |
14 | 3b90847 |
15 | 27edb4c |
hex | 1b83f4f |
28852047 has 24 divisors (see below), whose sum is σ = 47948576. Its totient is φ = 16376256.
The previous prime is 28852039. The next prime is 28852049. The reversal of 28852047 is 74025882.
It is a happy number.
It is not a de Polignac number, because 28852047 - 23 = 28852039 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28852049) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8433 + ... + 11349.
Almost surely, 228852047 is an apocalyptic number.
28852047 is a deficient number, since it is larger than the sum of its proper divisors (19096529).
28852047 is a wasteful number, since it uses less digits than its factorization.
28852047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3087 (or 3084 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 36.
The square root of 28852047 is about 5371.4101500444. The cubic root of 28852047 is about 306.7083104810.
The spelling of 28852047 in words is "twenty-eight million, eight hundred fifty-two thousand, forty-seven".
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