Search a number
-
+
488090 = 2548809
BaseRepresentation
bin1110111001010011010
3220210112102
41313022122
5111104330
614243402
74102001
oct1671232
9823472
10488090
11303789
121b6562
13141215
14c9c38
1599945
hex7729a

488090 has 8 divisors (see below), whose sum is σ = 878580. Its totient is φ = 195232.

The previous prime is 488069. The next prime is 488119. The reversal of 488090 is 90884.

It can be written as a sum of positive squares in 2 ways, for example, as 477481 + 10609 = 691^2 + 103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 24395 + ... + 24414.

2488090 is an apocalyptic number.

488090 is a deficient number, since it is larger than the sum of its proper divisors (390490).

488090 is a wasteful number, since it uses less digits than its factorization.

488090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48816.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 488090 is about 698.6343822057. The cubic root of 488090 is about 78.7347833201.

The spelling of 488090 in words is "four hundred eighty-eight thousand, ninety".

Divisors: 1 2 5 10 48809 97618 244045 488090