Base | Representation |
---|---|
bin | 110111001111… |
… | …0111100101101 |
3 | 2000111110020002 |
4 | 1232132330231 |
5 | 24403300410 |
6 | 2512434045 |
7 | 501115040 |
oct | 156367455 |
9 | 60443202 |
10 | 28962605 |
11 | 15392041 |
12 | 9848925 |
13 | 6000a49 |
14 | 3bbcc57 |
15 | 28217a5 |
hex | 1b9ef2d |
28962605 has 16 divisors (see below), whose sum is σ = 40690944. Its totient is φ = 19374720.
The previous prime is 28962581. The next prime is 28962641. The reversal of 28962605 is 50626982.
It is not a de Polignac number, because 28962605 - 212 = 28958509 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8657 + ... + 11526.
It is an arithmetic number, because the mean of its divisors is an integer number (2543184).
Almost surely, 228962605 is an apocalyptic number.
It is an amenable number.
28962605 is a deficient number, since it is larger than the sum of its proper divisors (11728339).
28962605 is a wasteful number, since it uses less digits than its factorization.
28962605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20236.
The product of its (nonzero) digits is 51840, while the sum is 38.
The square root of 28962605 is about 5381.6916485432. The cubic root of 28962605 is about 307.0995691138.
The spelling of 28962605 in words is "twenty-eight million, nine hundred sixty-two thousand, six hundred five".
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