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494894 = 2972551
BaseRepresentation
bin1111000110100101110
3221010212102
41320310232
5111314034
614335102
74130561
oct1706456
9833772
10494894
11308904
121ba492
1314434a
14cc4d8
159b97e
hex78d2e

494894 has 8 divisors (see below), whose sum is σ = 750288. Its totient is φ = 244800.

The previous prime is 494873. The next prime is 494899. The reversal of 494894 is 498494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1082 + ... + 1469.

It is an arithmetic number, because the mean of its divisors is an integer number (93786).

2494894 is an apocalyptic number.

494894 is a deficient number, since it is larger than the sum of its proper divisors (255394).

494894 is a wasteful number, since it uses less digits than its factorization.

494894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650.

The product of its digits is 41472, while the sum is 38.

The square root of 494894 is about 703.4870290204. The cubic root of 494894 is about 79.0989520080.

Subtracting 494894 from its reverse (498494), we obtain a square (3600 = 602).

The spelling of 494894 in words is "four hundred ninety-four thousand, eight hundred ninety-four".

Divisors: 1 2 97 194 2551 5102 247447 494894