Base | Representation |
---|---|
bin | 100000011111100… |
… | …001000110111011 |
3 | 1101222202121212122 |
4 | 200133201012323 |
5 | 2104023223422 |
6 | 130032031455 |
7 | 16336361000 |
oct | 4037410673 |
9 | 1358677778 |
10 | 545132987 |
11 | 25a793533 |
12 | 13269258b |
13 | 88c280c9 |
14 | 525838a7 |
15 | 32cd0d42 |
hex | 207e11bb |
545132987 has 16 divisors (see below), whose sum is σ = 638246400. Its totient is φ = 465403176.
The previous prime is 545132983. The next prime is 545132993. The reversal of 545132987 is 789231545.
545132987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 545132987 - 22 = 545132983 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (545132983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87188 + ... + 93230.
It is an arithmetic number, because the mean of its divisors is an integer number (39890400).
Almost surely, 2545132987 is an apocalyptic number.
545132987 is a deficient number, since it is larger than the sum of its proper divisors (93113413).
545132987 is an equidigital number, since it uses as much as digits as its factorization.
545132987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6327 (or 6313 counting only the distinct ones).
The product of its digits is 302400, while the sum is 44.
The square root of 545132987 is about 23348.0831547260. The cubic root of 545132987 is about 816.8973507055.
The spelling of 545132987 in words is "five hundred forty-five million, one hundred thirty-two thousand, nine hundred eighty-seven".
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