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487738 = 2232461
BaseRepresentation
bin1110111000100111010
3220210001101
41313010322
5111101423
614242014
74100656
oct1670472
9823041
10487738
11303499
121b630a
13141004
14c9a66
15997ad
hex7713a

487738 has 12 divisors (see below), whose sum is σ = 766458. Its totient is φ = 232760.

The previous prime is 487733. The next prime is 487741. The reversal of 487738 is 837784.

It can be written as a sum of positive squares in only one way, i.e., 444889 + 42849 = 667^2 + 207^2 .

It is a junction number, because it is equal to n+sod(n) for n = 487697 and 487706.

It is not an unprimeable number, because it can be changed into a prime (487733) 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 5 ways as a sum of consecutive naturals, for example, 828 + ... + 1288.

2487738 is an apocalyptic number.

487738 is a deficient number, since it is larger than the sum of its proper divisors (278720).

487738 is a wasteful number, since it uses less digits than its factorization.

487738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 486 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 487738 is about 698.3824167317. The cubic root of 487738 is about 78.7158514914.

It can be divided in two parts, 487 and 738, that added together give a triangular number (1225 = T49).

The spelling of 487738 in words is "four hundred eighty-seven thousand, seven hundred thirty-eight".

Divisors: 1 2 23 46 461 529 922 1058 10603 21206 243869 487738