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494874624 = 21231723103
BaseRepresentation
bin11101011111110…
…011000000000000
31021111012020100210
4131133303000000
52003141441444
6121034514120
715156236106
oct3537630000
91244166323
10494874624
112343866a2
12119895940
137b6ac22a
1449a1dc76
152d6a47b9
hex1d7f3000

494874624 has 208 divisors, whose sum is σ = 1472020992. Its totient is φ = 147062784.

The previous prime is 494874623. The next prime is 494874637. The reversal of 494874624 is 426478494.

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

It is not an unprimeable number, because it can be changed into a prime (494874623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4804557 + ... + 4804659.

It is an arithmetic number, because the mean of its divisors is an integer number (7077024).

Almost surely, 2494874624 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 494874624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736010496).

494874624 is an abundant number, since it is smaller than the sum of its proper divisors (977146368).

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

494874624 is a wasteful number, since it uses less digits than its factorization.

494874624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 148 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The square root of 494874624 is about 22245.7776667843. Note that the first 3 decimals coincide. The cubic root of 494874624 is about 790.9791970525.

The spelling of 494874624 in words is "four hundred ninety-four million, eight hundred seventy-four thousand, six hundred twenty-four".