Search a number
-
+
489505327 = 1728794431
BaseRepresentation
bin11101001011010…
…100001000101111
31021010002110001221
4131023110020233
52000303132302
6120323444211
715062504143
oct3513241057
91233073057
10489505327
11231349663
12117b26667
137a54c32c
1449023223
152ce93937
hex1d2d422f

489505327 has 4 divisors (see below), whose sum is σ = 518299776. Its totient is φ = 460710880.

The previous prime is 489505309. The next prime is 489505339. The reversal of 489505327 is 723505984.

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

It is not a de Polignac number, because 489505327 - 219 = 488981039 is a prime.

It is a super-2 number, since 2×4895053272 = 479230930322753858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489505127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14397199 + ... + 14397232.

It is an arithmetic number, because the mean of its divisors is an integer number (129574944).

Almost surely, 2489505327 is an apocalyptic number.

489505327 is a deficient number, since it is larger than the sum of its proper divisors (28794449).

489505327 is a wasteful number, since it uses less digits than its factorization.

489505327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28794448.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 489505327 is about 22124.7672756122. The cubic root of 489505327 is about 788.1081296428.

The spelling of 489505327 in words is "four hundred eighty-nine million, five hundred five thousand, three hundred twenty-seven".

Divisors: 1 17 28794431 489505327