Base | Representation |
---|---|
bin | 11101000011001… |
… | …000111101101001 |
3 | 1020222001120112121 |
4 | 131003020331221 |
5 | 1444231044114 |
6 | 120205511241 |
7 | 15035340442 |
oct | 3503107551 |
9 | 1228046477 |
10 | 487362409 |
11 | 230115656 |
12 | 117272521 |
13 | 79c7bb31 |
14 | 48a262c9 |
15 | 2cbbda24 |
hex | 1d0c8f69 |
487362409 has 8 divisors (see below), whose sum is σ = 529978248. Its totient is φ = 446296320.
The previous prime is 487362397. The next prime is 487362413. The reversal of 487362409 is 904263784.
It can be written as a sum of positive squares in 4 ways, for example, as 236298384 + 251064025 = 15372^2 + 15845^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 487362409 - 211 = 487360361 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (487366409) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386782 + ... + 388039.
It is an arithmetic number, because the mean of its divisors is an integer number (66247281).
Almost surely, 2487362409 is an apocalyptic number.
It is an amenable number.
487362409 is a deficient number, since it is larger than the sum of its proper divisors (42615839).
487362409 is a wasteful number, since it uses less digits than its factorization.
487362409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 774875.
The product of its (nonzero) digits is 290304, while the sum is 43.
The square root of 487362409 is about 22076.2861233496. The cubic root of 487362409 is about 786.9564080613.
The spelling of 487362409 in words is "four hundred eighty-seven million, three hundred sixty-two thousand, four hundred nine".
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