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489712206 = 2381618701
BaseRepresentation
bin11101001100000…
…110101001001110
31021010110221212010
4131030012221032
52000331242311
6120332122050
715064325244
oct3514065116
91233427763
10489712206
11231480035
12118006326
137a5c2549
1449078794
152ced4da6
hex1d306a4e

489712206 has 8 divisors (see below), whose sum is σ = 979424424. Its totient is φ = 163237400.

The previous prime is 489712199. The next prime is 489712207. The reversal of 489712206 is 602217984.

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

489712206 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489712207) 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, 40809345 + ... + 40809356.

It is an arithmetic number, because the mean of its divisors is an integer number (122428053).

Almost surely, 2489712206 is an apocalyptic number.

489712206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489712206 is a wasteful number, since it uses less digits than its factorization.

489712206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81618706.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 489712206 is about 22129.4420625555. The cubic root of 489712206 is about 788.2191397104.

The spelling of 489712206 in words is "four hundred eighty-nine million, seven hundred twelve thousand, two hundred six".

Divisors: 1 2 3 6 81618701 163237402 244856103 489712206