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494459 = 7210091
BaseRepresentation
bin1111000101101111011
3221010021022
41320231323
5111310314
614333055
74126400
oct1705573
9833238
10494459
11308549
121ba18b
131440a4
14cc2a7
159b78e
hex78b7b

494459 has 6 divisors (see below), whose sum is σ = 575244. Its totient is φ = 423780.

The previous prime is 494443. The next prime is 494471. The reversal of 494459 is 954494.

It is not a de Polignac number, because 494459 - 24 = 494443 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494359) 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 5 ways as a sum of consecutive naturals, for example, 4997 + ... + 5094.

It is an arithmetic number, because the mean of its divisors is an integer number (95874).

2494459 is an apocalyptic number.

494459 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

494459 is a deficient number, since it is larger than the sum of its proper divisors (80785).

494459 is a wasteful number, since it uses less digits than its factorization.

494459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105 (or 10098 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 494459 is about 703.1777869074. The cubic root of 494459 is about 79.0757698516.

Adding to 494459 its sum of digits (35), we get a palindrome (494494).

The spelling of 494459 in words is "four hundred ninety-four thousand, four hundred fifty-nine".

Divisors: 1 7 49 10091 70637 494459