Base | Representation |
---|---|
bin | 110101111110… |
… | …1010101101010 |
3 | 1222020211012020 |
4 | 1223331111222 |
5 | 24221110100 |
6 | 2450325310 |
7 | 462360120 |
oct | 153752552 |
9 | 58224166 |
10 | 28300650 |
11 | 14a7a774 |
12 | 9589836 |
13 | 5b2b661 |
14 | 3a89910 |
15 | 27405a0 |
hex | 1afd56a |
28300650 has 48 divisors (see below), whose sum is σ = 80215104. Its totient is φ = 6468480.
The previous prime is 28300637. The next prime is 28300669. The reversal of 28300650 is 5600382.
It is a self number, because there is not a number n which added to its sum of digits gives 28300650.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12427 + ... + 14526.
It is an arithmetic number, because the mean of its divisors is an integer number (1671148).
Almost surely, 228300650 is an apocalyptic number.
28300650 is an abundant number, since it is smaller than the sum of its proper divisors (51914454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28300650 is a wasteful number, since it uses less digits than its factorization.
28300650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26975 (or 26970 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 28300650 is about 5319.8355237733. The cubic root of 28300650 is about 304.7418760283.
The spelling of 28300650 in words is "twenty-eight million, three hundred thousand, six hundred fifty".
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