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489382884 = 223412292
BaseRepresentation
bin11101001010110…
…110001111100100
31021002212020010000
4131022312033210
52000240223014
6120321101300
715061454154
oct3512661744
91232766100
10489382884
11231275671
12117a87830
137a508693
1448dd0764
152ce6c509
hex1d2b63e4

489382884 has 45 divisors (see below), whose sum is σ = 1280385337. Its totient is φ = 162994896.

The previous prime is 489382879. The next prime is 489382889. The reversal of 489382884 is 488283984.

The square root of 489382884 is 22122.

It is a perfect power (a square), and thus also a powerful number.

489382884 is a `hidden beast` number, since 489 + 3 + 82 + 8 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (489382879) and next prime (489382889).

It can be written as a sum of positive squares in only one way, i.e., 483032484 + 6350400 = 21978^2 + 2520^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489382884.

It is not an unprimeable number, because it can be changed into a prime (489382889) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 397582 + ... + 398810.

Almost surely, 2489382884 is an apocalyptic number.

489382884 is the 22122-nd square number.

It is an amenable number.

489382884 is an abundant number, since it is smaller than the sum of its proper divisors (791002453).

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

489382884 is an equidigital number, since it uses as much as digits as its factorization.

489382884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474 (or 1234 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The cubic root of 489382884 is about 788.0424127068.

The spelling of 489382884 in words is "four hundred eighty-nine million, three hundred eighty-two thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 1229 2458 3687 4916 7374 11061 14748 22122 33183 44244 66366 99549 132732 199098 398196 1510441 3020882 4531323 6041764 9062646 13593969 18125292 27187938 40781907 54375876 81563814 122345721 163127628 244691442 489382884