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489149496 = 2333112931229
BaseRepresentation
bin11101001001111…
…101010000111000
31021002102100222000
4131021331100320
52000210240441
6120312101000
715056462553
oct3511752070
91232370860
10489149496
11231126290
12117994760
137a456394
1448d6d69a
152ce232b6
hex1d27d438

489149496 has 256 divisors, whose sum is σ = 1589760000. Its totient is φ = 137894400.

The previous prime is 489149491. The next prime is 489149497. The reversal of 489149496 is 694941984.

It is a happy number.

489149496 is a `hidden beast` number, since 4 + 8 + 9 + 149 + 496 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489149491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2135910 + ... + 2136138.

It is an arithmetic number, because the mean of its divisors is an integer number (6210000).

Almost surely, 2489149496 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 489149496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794880000).

489149496 is an abundant number, since it is smaller than the sum of its proper divisors (1100610504).

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

489149496 is a wasteful number, since it uses less digits than its factorization.

489149496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 305 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 489149496 is about 22116.7243505904. The cubic root of 489149496 is about 787.9171196124.

The spelling of 489149496 in words is "four hundred eighty-nine million, one hundred forty-nine thousand, four hundred ninety-six".