Base | Representation |
---|---|
bin | 11101000100100… |
… | …110111010011001 |
3 | 1020222210010102001 |
4 | 131010212322121 |
5 | 1444330402400 |
6 | 120222041001 |
7 | 15041532400 |
oct | 3504467231 |
9 | 1228703361 |
10 | 487747225 |
11 | 230358789 |
12 | 117419161 |
13 | 7a085034 |
14 | 48ac6637 |
15 | 2cc47a6a |
hex | 1d126e99 |
487747225 has 27 divisors (see below), whose sum is σ = 704667231. Its totient is φ = 333925200.
The previous prime is 487747213. The next prime is 487747229. The reversal of 487747225 is 522747784.
The square root of 487747225 is 22085.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 175589001 + 312158224 = 13251^2 + 17668^2 .
It is not a de Polignac number, because 487747225 - 213 = 487739033 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (487747229) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 772660 + ... + 773290.
Almost surely, 2487747225 is an apocalyptic number.
487747225 is the 22085-th square number.
487747225 is the 11043-rd centered octagonal number.
It is an amenable number.
487747225 is a deficient number, since it is larger than the sum of its proper divisors (216920006).
487747225 is an frugal number, since it uses more digits than its factorization.
487747225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1286 (or 643 counting only the distinct ones).
The product of its digits is 878080, while the sum is 46.
The cubic root of 487747225 is about 787.1634776135.
The spelling of 487747225 in words is "four hundred eighty-seven million, seven hundred forty-seven thousand, two hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •