Search a number
-
+
487963 = 769709
BaseRepresentation
bin1110111001000011011
3220210100201
41313020123
5111103323
614243031
74101430
oct1671033
9823321
10487963
11303683
121b6477
13141148
14c9b87
15998ad
hex7721b

487963 has 4 divisors (see below), whose sum is σ = 557680. Its totient is φ = 418248.

The previous prime is 487943. The next prime is 487973. The reversal of 487963 is 369784.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 487963 - 213 = 479771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34848 + ... + 34861.

It is an arithmetic number, because the mean of its divisors is an integer number (139420).

2487963 is an apocalyptic number.

487963 is a deficient number, since it is larger than the sum of its proper divisors (69717).

487963 is an equidigital number, since it uses as much as digits as its factorization.

487963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69716.

The product of its digits is 36288, while the sum is 37.

The square root of 487963 is about 698.5434846880. The cubic root of 487963 is about 78.7279538522.

The spelling of 487963 in words is "four hundred eighty-seven thousand, nine hundred sixty-three".

Divisors: 1 7 69709 487963