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489223427 = 711431391063
BaseRepresentation
bin11101001010001…
…111010100000011
31021002120010101012
4131022033110003
52000220122202
6120313431135
715060221240
oct3512172403
91232503335
10489223427
11231176890
12117a0b4ab
137a480c24
1448d8c5c7
152ce3a152
hex1d28f503

489223427 has 32 divisors (see below), whose sum is σ = 629207040. Its totient is φ = 369321120.

The previous prime is 489223403. The next prime is 489223447. The reversal of 489223427 is 724322984.

It is not a de Polignac number, because 489223427 - 28 = 489223171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489223447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459698 + ... + 460760.

It is an arithmetic number, because the mean of its divisors is an integer number (19662720).

Almost surely, 2489223427 is an apocalyptic number.

489223427 is a deficient number, since it is larger than the sum of its proper divisors (139983613).

489223427 is a wasteful number, since it uses less digits than its factorization.

489223427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263.

The product of its digits is 193536, while the sum is 41.

The square root of 489223427 is about 22118.3956696683. The cubic root of 489223427 is about 787.9568133847.

The spelling of 489223427 in words is "four hundred eighty-nine million, two hundred twenty-three thousand, four hundred twenty-seven".

Divisors: 1 7 11 43 77 139 301 473 973 1063 1529 3311 5977 7441 10703 11693 41839 45709 65747 81851 147757 319963 460229 502799 1034299 1625327 3519593 6353551 11377289 44474857 69889061 489223427