Base | Representation |
---|---|
bin | 11101000100100… |
… | …111000111011101 |
3 | 1020222210011120000 |
4 | 131010213013131 |
5 | 1444330414221 |
6 | 120222044513 |
7 | 15041535003 |
oct | 3504470735 |
9 | 1228704500 |
10 | 487748061 |
11 | 230359379 |
12 | 117419739 |
13 | 7a085528 |
14 | 48ac6a73 |
15 | 2cc47e26 |
hex | 1d1271dd |
487748061 has 20 divisors (see below), whose sum is σ = 738882144. Its totient is φ = 320581800.
The previous prime is 487748059. The next prime is 487748083. The reversal of 487748061 is 160847784.
487748061 is a `hidden beast` number, since 48 + 77 + 480 + 61 = 666.
It is not a de Polignac number, because 487748061 - 21 = 487748059 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 487747998 and 487748016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487748021) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36655 + ... + 48156.
Almost surely, 2487748061 is an apocalyptic number.
It is an amenable number.
487748061 is a deficient number, since it is larger than the sum of its proper divisors (251134083).
487748061 is an equidigital number, since it uses as much as digits as its factorization.
487748061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84894 (or 84885 counting only the distinct ones).
The product of its (nonzero) digits is 301056, while the sum is 45.
The square root of 487748061 is about 22085.0189268653. The cubic root of 487748061 is about 787.1639273467.
The spelling of 487748061 in words is "four hundred eighty-seven million, seven hundred forty-eight thousand, sixty-one".
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