Base | Representation |
---|---|
bin | 110111000001… |
… | …1100101100111 |
3 | 2000021202111100 |
4 | 1232003211213 |
5 | 24341204120 |
6 | 2510211143 |
7 | 500140230 |
oct | 156034547 |
9 | 60252440 |
10 | 28850535 |
11 | 1531591a |
12 | 97b3ab3 |
13 | 5c91a2c |
14 | 3b90087 |
15 | 27ed490 |
hex | 1b83967 |
28850535 has 48 divisors (see below), whose sum is σ = 58046976. Its totient is φ = 12982464.
The previous prime is 28850509. The next prime is 28850543. The reversal of 28850535 is 53505882.
It is not a de Polignac number, because 28850535 - 28 = 28850279 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28850535.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20422 + ... + 21788.
It is an arithmetic number, because the mean of its divisors is an integer number (1209312).
Almost surely, 228850535 is an apocalyptic number.
28850535 is an abundant number, since it is smaller than the sum of its proper divisors (29196441).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28850535 is a wasteful number, since it uses less digits than its factorization.
28850535 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1452 (or 1449 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 36.
The square root of 28850535 is about 5371.2694030369. The cubic root of 28850535 is about 306.7029526744.
The spelling of 28850535 in words is "twenty-eight million, eight hundred fifty thousand, five hundred thirty-five".
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