Base | Representation |
---|---|
bin | 110110010000… |
… | …0001101100111 |
3 | 1222112002010210 |
4 | 1230200031213 |
5 | 24240142440 |
6 | 2453350503 |
7 | 463523433 |
oct | 154401547 |
9 | 58462123 |
10 | 28443495 |
11 | 15068023 |
12 | 9638433 |
13 | 5b7b692 |
14 | 3ac59c3 |
15 | 276ca80 |
hex | 1b20367 |
28443495 has 16 divisors (see below), whose sum is σ = 45637632. Its totient is φ = 15127200.
The previous prime is 28443473. The next prime is 28443497. The reversal of 28443495 is 59434482.
It is not a de Polignac number, because 28443495 - 27 = 28443367 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28443497) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3270 + ... + 8220.
It is an arithmetic number, because the mean of its divisors is an integer number (2852352).
Almost surely, 228443495 is an apocalyptic number.
28443495 is a deficient number, since it is larger than the sum of its proper divisors (17194137).
28443495 is a wasteful number, since it uses less digits than its factorization.
28443495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5342.
The product of its digits is 138240, while the sum is 39.
The square root of 28443495 is about 5333.2443221739. The cubic root of 28443495 is about 305.2537349267.
The spelling of 28443495 in words is "twenty-eight million, four hundred forty-three thousand, four hundred ninety-five".
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