Search a number
-
+
489380494 = 2244690247
BaseRepresentation
bin11101001010110…
…101101010001110
31021002212002211111
4131022311222032
52000240133434
6120321042234
715061444201
oct3512655216
91232762744
10489380494
11231273899
12117a8637a
137a507575
1448dcd938
152ce6b964
hex1d2b5a8e

489380494 has 4 divisors (see below), whose sum is σ = 734070744. Its totient is φ = 244690246.

The previous prime is 489380467. The next prime is 489380503. The reversal of 489380494 is 494083984.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122345122 + ... + 122345125.

It is an arithmetic number, because the mean of its divisors is an integer number (183517686).

Almost surely, 2489380494 is an apocalyptic number.

489380494 is a deficient number, since it is larger than the sum of its proper divisors (244690250).

489380494 is a wasteful number, since it uses less digits than its factorization.

489380494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244690249.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 489380494 is about 22121.9459813101. The cubic root of 489380494 is about 788.0411298501.

The spelling of 489380494 in words is "four hundred eighty-nine million, three hundred eighty thousand, four hundred ninety-four".

Divisors: 1 2 244690247 489380494