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489046656 = 273734779
BaseRepresentation
bin11101001001100…
…100001010000000
31021002020010220010
4131021210022000
52000143443111
6120305544520
715055554000
oct3511441200
91232203803
10489046656
11231065a9a
12117945140
137a41b627
1448d44000
152ce02aa6
hex1d264280

489046656 has 256 divisors, whose sum is σ = 1566720000. Its totient is φ = 135023616.

The previous prime is 489046639. The next prime is 489046709. The reversal of 489046656 is 656640984.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6190425 + ... + 6190503.

It is an arithmetic number, because the mean of its divisors is an integer number (6120000).

Almost surely, 2489046656 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 489046656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783360000).

489046656 is an abundant number, since it is smaller than the sum of its proper divisors (1077673344).

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

489046656 is an equidigital number, since it uses as much as digits as its factorization.

489046656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The square root of 489046656 is about 22114.3992909597. The cubic root of 489046656 is about 787.8618978609.

The spelling of 489046656 in words is "four hundred eighty-nine million, forty-six thousand, six hundred fifty-six".