Base | Representation |
---|---|
bin | 11101000100010… |
… | …101110100100001 |
3 | 1020222122120101011 |
4 | 131010111310201 |
5 | 1444321132332 |
6 | 120220340521 |
7 | 15041121316 |
oct | 3504256441 |
9 | 1228576334 |
10 | 487677217 |
11 | 230310125 |
12 | 1173a4741 |
13 | 7a05c201 |
14 | 48aa8d0d |
15 | 2cc31e47 |
hex | 1d115d21 |
487677217 has 8 divisors (see below), whose sum is σ = 502713216. Its totient is φ = 472835472.
The previous prime is 487677209. The next prime is 487677259. The reversal of 487677217 is 712776784.
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 487677217 - 23 = 487677209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (487677277) 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 7 ways as a sum of consecutive naturals, for example, 43458 + ... + 53515.
It is an arithmetic number, because the mean of its divisors is an integer number (62839152).
Almost surely, 2487677217 is an apocalyptic number.
487677217 is a gapful number since it is divisible by the number (47) formed by its first and last digit.
It is an amenable number.
487677217 is a deficient number, since it is larger than the sum of its proper divisors (15035999).
487677217 is a wasteful number, since it uses less digits than its factorization.
487677217 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97127.
The product of its digits is 921984, while the sum is 49.
The square root of 487677217 is about 22083.4149759497. The cubic root of 487677217 is about 787.1258144042.
The spelling of 487677217 in words is "four hundred eighty-seven million, six hundred seventy-seven thousand, two hundred seventeen".
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