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489065632 = 25115923549
BaseRepresentation
bin11101001001101…
…000110010100000
31021002021002220221
4131021220302200
52000200100012
6120310212424
715055663216
oct3511506240
91232232827
10489065632
11231079280
12117954114
137a427163
1448d4acb6
152ce08507
hex1d268ca0

489065632 has 48 divisors (see below), whose sum is σ = 1068228000. Its totient is φ = 218525440.

The previous prime is 489065587. The next prime is 489065651. The reversal of 489065632 is 236560984.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8994 + ... + 32542.

It is an arithmetic number, because the mean of its divisors is an integer number (22254750).

Almost surely, 2489065632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489065632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534114000).

489065632 is an abundant number, since it is smaller than the sum of its proper divisors (579162368).

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

489065632 is a wasteful number, since it uses less digits than its factorization.

489065632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23629 (or 23621 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 489065632 is about 22114.8283285220. The cubic root of 489065632 is about 787.8720879411.

The spelling of 489065632 in words is "four hundred eighty-nine million, sixty-five thousand, six hundred thirty-two".

Divisors: 1 2 4 8 11 16 22 32 44 59 88 118 176 236 352 472 649 944 1298 1888 2596 5192 10384 20768 23549 47098 94196 188392 259039 376784 518078 753568 1036156 1389391 2072312 2778782 4144624 5557564 8289248 11115128 15283301 22230256 30566602 44460512 61133204 122266408 244532816 489065632