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489513986 = 213191099091
BaseRepresentation
bin11101001011010…
…110010000000010
31021010002212221122
4131023112100002
52000303421421
6120323552242
715062541323
oct3513262002
91233085848
10489513986
11231355115
12117b2b682
137a553260
144902644a
152ce962ab
hex1d2d6402

489513986 has 32 divisors (see below), whose sum is σ = 840100800. Its totient is φ = 212051520.

The previous prime is 489513949. The next prime is 489514001. The reversal of 489513986 is 689315984.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49301 + ... + 58391.

It is an arithmetic number, because the mean of its divisors is an integer number (26253150).

Almost surely, 2489513986 is an apocalyptic number.

489513986 is a deficient number, since it is larger than the sum of its proper divisors (350586814).

489513986 is a wasteful number, since it uses less digits than its factorization.

489513986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9234.

The product of its digits is 1866240, while the sum is 53.

The square root of 489513986 is about 22124.9629604210. The cubic root of 489513986 is about 788.1127766389.

It can be divided in two parts, 4895 and 13986, that added together give a palindrome (18881).

The spelling of 489513986 in words is "four hundred eighty-nine million, five hundred thirteen thousand, nine hundred eighty-six".

Divisors: 1 2 13 19 26 38 109 218 247 494 1417 2071 2834 4142 9091 18182 26923 53846 118183 172729 236366 345458 990919 1981838 2245477 4490954 12881947 18827461 25763894 37654922 244756993 489513986