Base | Representation |
---|---|
bin | 110111000101… |
… | …1011000100001 |
3 | 2000100101021221 |
4 | 1232023120201 |
5 | 24343214330 |
6 | 2511015041 |
7 | 500332303 |
oct | 156133041 |
9 | 60311257 |
10 | 28882465 |
11 | 15337907 |
12 | 980a481 |
13 | 5ca3421 |
14 | 3b9b973 |
15 | 2807b7a |
hex | 1b8b621 |
28882465 has 8 divisors (see below), whose sum is σ = 35002728. Its totient is φ = 22876800.
The previous prime is 28882417. The next prime is 28882471. The reversal of 28882465 is 56428882.
It can be written as a sum of positive squares in 4 ways, for example, as 16966161 + 11916304 = 4119^2 + 3452^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28882465 - 29 = 28881953 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28092 + ... + 29101.
It is an arithmetic number, because the mean of its divisors is an integer number (4375341).
Almost surely, 228882465 is an apocalyptic number.
It is an amenable number.
28882465 is a deficient number, since it is larger than the sum of its proper divisors (6120263).
28882465 is a wasteful number, since it uses less digits than its factorization.
28882465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57299.
The product of its digits is 245760, while the sum is 43.
The square root of 28882465 is about 5374.2408766262. The cubic root of 28882465 is about 306.8160576217.
The spelling of 28882465 in words is "twenty-eight million, eight hundred eighty-two thousand, four hundred sixty-five".
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