Base | Representation |
---|---|
bin | 110111000001… |
… | …1011101110010 |
3 | 2000021201210210 |
4 | 1232003131302 |
5 | 24341200114 |
6 | 2510204550 |
7 | 500135613 |
oct | 156033562 |
9 | 60251723 |
10 | 28850034 |
11 | 15315504 |
12 | 97b3756 |
13 | 5c91735 |
14 | 3b8dc0a |
15 | 27ed259 |
hex | 1b83772 |
28850034 has 8 divisors (see below), whose sum is σ = 57700080. Its totient is φ = 9616676.
The previous prime is 28850023. The next prime is 28850039. The reversal of 28850034 is 43005882.
It is a sphenic number, since it is the product of 3 distinct primes.
28850034 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 28849983 and 28850010.
It is not an unprimeable number, because it can be changed into a prime (28850039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2404164 + ... + 2404175.
It is an arithmetic number, because the mean of its divisors is an integer number (7212510).
Almost surely, 228850034 is an apocalyptic number.
28850034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28850034 is a wasteful number, since it uses less digits than its factorization.
28850034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4808344.
The product of its (nonzero) digits is 7680, while the sum is 30.
The square root of 28850034 is about 5371.2227658141. Note that the first 3 decimals coincide. The cubic root of 28850034 is about 306.7011773281.
The spelling of 28850034 in words is "twenty-eight million, eight hundred fifty thousand, thirty-four".
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