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489517056 = 2123272271
BaseRepresentation
bin11101001011010…
…111000000000000
31021010010001011100
4131023113000000
52000304021211
6120324014400
715062553300
oct3513270000
91233101140
10489517056
11231357456
12117b31400
137a554782
1449027600
152ce97156
hex1d2d7000

489517056 has 234 divisors, whose sum is σ = 1650912432. Its totient is φ = 139345920.

The previous prime is 489517043. The next prime is 489517069. The reversal of 489517056 is 650715984.

489517056 is a `hidden beast` number, since 4 + 89 + 517 + 0 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (489517043) and next prime (489517069).

It is a super-2 number, since 2×4895170562 = 479253896229814272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1806201 + ... + 1806471.

Almost surely, 2489517056 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 489517056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825456216).

489517056 is an abundant number, since it is smaller than the sum of its proper divisors (1161395376).

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

489517056 is a wasteful number, since it uses less digits than its factorization.

489517056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 489517056 is about 22125.0323389594. The cubic root of 489517056 is about 788.1144241922.

The spelling of 489517056 in words is "four hundred eighty-nine million, five hundred seventeen thousand, fifty-six".