Base | Representation |
---|---|
bin | 110110111111… |
… | …1000100101101 |
3 | 2000020211010112 |
4 | 1231333010231 |
5 | 24340111140 |
6 | 2505545405 |
7 | 500032304 |
oct | 155770455 |
9 | 60224115 |
10 | 28832045 |
11 | 15302a40 |
12 | 97a5265 |
13 | 5c864a8 |
14 | 3b8743b |
15 | 27e7c65 |
hex | 1b7f12d |
28832045 has 8 divisors (see below), whose sum is σ = 37743840. Its totient is φ = 20968720.
The previous prime is 28832039. The next prime is 28832047. The reversal of 28832045 is 54023882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28832045 - 24 = 28832029 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28832047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262055 + ... + 262164.
It is an arithmetic number, because the mean of its divisors is an integer number (4717980).
Almost surely, 228832045 is an apocalyptic number.
It is an amenable number.
28832045 is a deficient number, since it is larger than the sum of its proper divisors (8911795).
28832045 is a wasteful number, since it uses less digits than its factorization.
28832045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 524235.
The product of its (nonzero) digits is 15360, while the sum is 32.
The square root of 28832045 is about 5369.5479325545. The cubic root of 28832045 is about 306.6374177891.
The spelling of 28832045 in words is "twenty-eight million, eight hundred thirty-two thousand, forty-five".
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