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494327680 = 27572111433
BaseRepresentation
bin11101011101101…
…101011110000000
31021110011110002121
4131131231132000
52003021441210
6121015054024
715151500400
oct3535553600
91243143077
10494327680
11234042780
12119671314
137b54a2b2
144991a800
152d5e76da
hex1d76d780

494327680 has 192 divisors, whose sum is σ = 1500709680. Its totient is φ = 153968640.

The previous prime is 494327641. The next prime is 494327681. The reversal of 494327680 is 86723494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494327681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 344244 + ... + 345676.

Almost surely, 2494327680 is an apocalyptic number.

494327680 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 494327680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750354840).

494327680 is an abundant number, since it is smaller than the sum of its proper divisors (1006382000).

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

494327680 is a wasteful number, since it uses less digits than its factorization.

494327680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1458 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 494327680 is about 22233.4810589795. The cubic root of 494327680 is about 790.6876883329.

It can be divided in two parts, 4943 and 27680, that added together give a palindrome (32623).

The spelling of 494327680 in words is "four hundred ninety-four million, three hundred twenty-seven thousand, six hundred eighty".