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489677760 = 2632511132941
BaseRepresentation
bin11101001011111…
…110001111000000
31021010102012121100
4131023332033000
52000324142020
6120331254400
715064122645
oct3513761700
91233365540
10489677760
11231457170
12117baa400
137a5ac970
1449069dcc
152cec9a90
hex1d2fe3c0

489677760 has 672 divisors, whose sum is σ = 2096902080. Its totient is φ = 103219200.

The previous prime is 489677729. The next prime is 489677791. The reversal of 489677760 is 67776984.

It is an interprime number because it is at equal distance from previous prime (489677729) and next prime (489677791).

It is a junction number, because it is equal to n+sod(n) for n = 489677697 and 489677706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11943340 + ... + 11943380.

It is an arithmetic number, because the mean of its divisors is an integer number (3120390).

Almost surely, 2489677760 is an apocalyptic number.

489677760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489677760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1048451040).

489677760 is an abundant number, since it is smaller than the sum of its proper divisors (1607224320).

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

489677760 is a wasteful number, since it uses less digits than its factorization.

489677760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The square root of 489677760 is about 22128.6637644481. The cubic root of 489677760 is about 788.2006583569.

The spelling of 489677760 in words is "four hundred eighty-nine million, six hundred seventy-seven thousand, seven hundred sixty".