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494693568 = 263623461
BaseRepresentation
bin11101011111000…
…110110011000000
31021110212001000000
4131133012303000
52003120143233
6121031000000
715154553205
oct3537066300
91243761000
10494693568
11234272666
12119809000
137b6479b5
14499b3cac
152d66ad13
hex1d7c6cc0

494693568 has 196 divisors, whose sum is σ = 1539136368. Its totient is φ = 157386240.

The previous prime is 494693561. The next prime is 494693593. The reversal of 494693568 is 865396494.

494693568 is a `hidden beast` number, since 494 + 6 + 93 + 5 + 68 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (494693561) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1072858 + ... + 1073318.

Almost surely, 2494693568 is an apocalyptic number.

494693568 is a gapful number since it is divisible by the number (48) 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 494693568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769568184).

494693568 is an abundant number, since it is smaller than the sum of its proper divisors (1044442800).

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

494693568 is an equidigital number, since it uses as much as digits as its factorization.

494693568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 489 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 494693568 is about 22241.7078480948. The cubic root of 494693568 is about 790.8827221130.

The spelling of 494693568 in words is "four hundred ninety-four million, six hundred ninety-three thousand, five hundred sixty-eight".