Base | Representation |
---|---|
bin | 11101000111101… |
… | …110011110110101 |
3 | 1021001022122201110 |
4 | 131013232132311 |
5 | 2000033032121 |
6 | 120251345233 |
7 | 15051505524 |
oct | 3507563665 |
9 | 1231278643 |
10 | 488564661 |
11 | 230866952 |
12 | 117752219 |
13 | 7a2b0120 |
14 | 48c5a4bb |
15 | 2cd59d76 |
hex | 1d1ee7b5 |
488564661 has 8 divisors (see below), whose sum is σ = 701528800. Its totient is φ = 300655152.
The previous prime is 488564641. The next prime is 488564669. The reversal of 488564661 is 166465884.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 488564661 - 215 = 488531893 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 488564661.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (488564669) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6263611 + ... + 6263688.
It is an arithmetic number, because the mean of its divisors is an integer number (87691100).
Almost surely, 2488564661 is an apocalyptic number.
It is an amenable number.
488564661 is a deficient number, since it is larger than the sum of its proper divisors (212964139).
488564661 is a wasteful number, since it uses less digits than its factorization.
488564661 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12527315.
The product of its digits is 1105920, while the sum is 48.
The square root of 488564661 is about 22103.4988406813. The cubic root of 488564661 is about 787.6029789242.
The spelling of 488564661 in words is "four hundred eighty-eight million, five hundred sixty-four thousand, six hundred sixty-one".
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