Base | Representation |
---|---|
bin | 110110111111… |
… | …1111010110100 |
3 | 2000020222212210 |
4 | 1231333322310 |
5 | 24340214013 |
6 | 2510013420 |
7 | 500045352 |
oct | 155777264 |
9 | 60228783 |
10 | 28835508 |
11 | 153055a9 |
12 | 97a7270 |
13 | 5c87c40 |
14 | 3b887d2 |
15 | 27e8cc3 |
hex | 1b7feb4 |
28835508 has 24 divisors (see below), whose sum is σ = 72458848. Its totient is φ = 8872416.
The previous prime is 28835503. The next prime is 28835539. The reversal of 28835508 is 80553882.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28835501) 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, 92266 + ... + 92577.
Almost surely, 228835508 is an apocalyptic number.
It is an amenable number.
28835508 is an abundant number, since it is smaller than the sum of its proper divisors (43623340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28835508 is a wasteful number, since it uses less digits than its factorization.
28835508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184863 (or 184861 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 39.
The square root of 28835508 is about 5369.8703894973. The cubic root of 28835508 is about 306.6496939777.
The spelling of 28835508 in words is "twenty-eight million, eight hundred thirty-five thousand, five hundred eight".
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