Base | Representation |
---|---|
bin | 11101000101011… |
… | …101011101111111 |
3 | 1021000012110221102 |
4 | 131011131131333 |
5 | 1444410030222 |
6 | 120230523315 |
7 | 15043453031 |
oct | 3505353577 |
9 | 1230173842 |
10 | 487970687 |
11 | 2304a0666 |
12 | 11750653b |
13 | 7a132969 |
14 | 48b43c51 |
15 | 2cc8dd92 |
hex | 1d15d77f |
487970687 has 2 divisors, whose sum is σ = 487970688. Its totient is φ = 487970686.
The previous prime is 487970671. The next prime is 487970701. The reversal of 487970687 is 786079784.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 487970687 - 24 = 487970671 is a prime.
It is a super-3 number, since 3×4879706873 (a number of 27 digits) contains 333 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (487970657) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243985343 + 243985344.
It is an arithmetic number, because the mean of its divisors is an integer number (243985344).
Almost surely, 2487970687 is an apocalyptic number.
487970687 is a deficient number, since it is larger than the sum of its proper divisors (1).
487970687 is an equidigital number, since it uses as much as digits as its factorization.
487970687 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4741632, while the sum is 56.
The square root of 487970687 is about 22090.0585558300. The cubic root of 487970687 is about 787.2836725696.
The spelling of 487970687 in words is "four hundred eighty-seven million, nine hundred seventy thousand, six hundred eighty-seven".
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