Base | Representation |
---|---|
bin | 11101000101001… |
… | …011100000001101 |
3 | 1021000001202000000 |
4 | 131011023200031 |
5 | 1444400201401 |
6 | 120225154513 |
7 | 15043025346 |
oct | 3505134015 |
9 | 1230052000 |
10 | 487897101 |
11 | 23045034a |
12 | 11748ba39 |
13 | 7a108313 |
14 | 48b250cd |
15 | 2cc77186 |
hex | 1d14b80d |
487897101 has 28 divisors (see below), whose sum is σ = 733774620. Its totient is φ = 324259200.
The previous prime is 487897079. The next prime is 487897103. The reversal of 487897101 is 101798784.
It can be written as a sum of positive squares in 2 ways, for example, as 404613225 + 83283876 = 20115^2 + 9126^2 .
It is not a de Polignac number, because 487897101 - 27 = 487896973 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487897103) by changing a digit.
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 27 ways as a sum of consecutive naturals, for example, 291495 + ... + 293163.
Almost surely, 2487897101 is an apocalyptic number.
It is an amenable number.
487897101 is a deficient number, since it is larger than the sum of its proper divisors (245877519).
487897101 is an equidigital number, since it uses as much as digits as its factorization.
487897101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2088 (or 2073 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 45.
The square root of 487897101 is about 22088.3929021556. The cubic root of 487897101 is about 787.2440964432.
The spelling of 487897101 in words is "four hundred eighty-seven million, eight hundred ninety-seven thousand, one hundred one".
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