Base | Representation |
---|---|
bin | 110110011100… |
… | …1001010100110 |
3 | 1222201021100020 |
4 | 1230321022212 |
5 | 24301430302 |
6 | 2455500010 |
7 | 464430423 |
oct | 154711246 |
9 | 58637306 |
10 | 28545702 |
11 | 15127899 |
12 | 9687606 |
13 | 5bb6063 |
14 | 3b10d4a |
15 | 278cebc |
hex | 1b392a6 |
28545702 has 16 divisors (see below), whose sum is σ = 57815040. Its totient is φ = 9394632.
The previous prime is 28545689. The next prime is 28545719. The reversal of 28545702 is 20754582.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 29638 + ... + 30585.
It is an arithmetic number, because the mean of its divisors is an integer number (3613440).
Almost surely, 228545702 is an apocalyptic number.
28545702 is an abundant number, since it is smaller than the sum of its proper divisors (29269338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28545702 is a wasteful number, since it uses less digits than its factorization.
28545702 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60307.
The product of its (nonzero) digits is 22400, while the sum is 33.
The square root of 28545702 is about 5342.8177958826. The cubic root of 28545702 is about 305.6189241477.
The spelling of 28545702 in words is "twenty-eight million, five hundred forty-five thousand, seven hundred two".
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