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489620236 = 22717486437
BaseRepresentation
bin11101001011110…
…000001100001100
31021010022021200211
4131023300030030
52000320321421
6120330132204
715063463150
oct3513601414
91233267624
10489620236
11231417a26
12117b81064
137a58c721
1449053060
152ceb79e1
hex1d2f030c

489620236 has 12 divisors (see below), whose sum is σ = 979240528. Its totient is φ = 209837232.

The previous prime is 489620233. The next prime is 489620273. The reversal of 489620236 is 632026984.

489620236 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (489620233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8743191 + ... + 8743246.

Almost surely, 2489620236 is an apocalyptic number.

It is an amenable number.

489620236 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.

489620236 is a wasteful number, since it uses less digits than its factorization.

489620236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17486448 (or 17486446 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 489620236 is about 22127.3639641056. The cubic root of 489620236 is about 788.1697930043.

The spelling of 489620236 in words is "four hundred eighty-nine million, six hundred twenty thousand, two hundred thirty-six".

Divisors: 1 2 4 7 14 28 17486437 34972874 69945748 122405059 244810118 489620236