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493917968 = 2438979357
BaseRepresentation
bin11101011100001…
…001011100010000
31021102101122002002
4131130021130100
52002420333333
6121002213132
715145143035
oct3534113420
91242348062
10493917968
11233892975
121194b41a8
137b43596b
144985138c
152d5660e8
hex1d709710

493917968 has 20 divisors (see below), whose sum is σ = 959438220. Its totient is φ = 246321024.

The previous prime is 493917929. The next prime is 493917973. The reversal of 493917968 is 869719394.

It can be written as a sum of positive squares in 2 ways, for example, as 182466064 + 311451904 = 13508^2 + 17648^2 .

It is a super-2 number, since 2×4939179682 = 487909918226498048, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33455 + ... + 45902.

It is an arithmetic number, because the mean of its divisors is an integer number (47971911).

Almost surely, 2493917968 is an apocalyptic number.

It is an amenable number.

493917968 is a deficient number, since it is larger than the sum of its proper divisors (465520252).

493917968 is a wasteful number, since it uses less digits than its factorization.

493917968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79754 (or 79748 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 56.

The square root of 493917968 is about 22224.2652971926. The cubic root of 493917968 is about 790.4691802534.

The spelling of 493917968 in words is "four hundred ninety-three million, nine hundred seventeen thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 389 778 1556 3112 6224 79357 158714 317428 634856 1269712 30869873 61739746 123479492 246958984 493917968