Base | Representation |
---|---|
bin | 110110001101… |
… | …1001110001010 |
3 | 1222111001002120 |
4 | 1230123032022 |
5 | 24234014200 |
6 | 2453112110 |
7 | 463410015 |
oct | 154331612 |
9 | 58431076 |
10 | 28423050 |
11 | 15053727 |
12 | 9628636 |
13 | 5b72296 |
14 | 3abc37c |
15 | 27669a0 |
hex | 1b1b38a |
28423050 has 48 divisors (see below), whose sum is σ = 74206560. Its totient is φ = 7179840.
The previous prime is 28423039. The next prime is 28423081. The reversal of 28423050 is 5032482.
It is a self number, because there is not a number n which added to its sum of digits gives 28423050.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2137 + ... + 7836.
It is an arithmetic number, because the mean of its divisors is an integer number (1545970).
Almost surely, 228423050 is an apocalyptic number.
28423050 is an abundant number, since it is smaller than the sum of its proper divisors (45783510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28423050 is a wasteful number, since it uses less digits than its factorization.
28423050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10007 (or 10002 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 28423050 is about 5331.3272268732. The cubic root of 28423050 is about 305.1805792600.
The spelling of 28423050 in words is "twenty-eight million, four hundred twenty-three thousand, fifty".
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