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494530 = 25172909
BaseRepresentation
bin1111000101111000010
3221010100221
41320233002
5111311110
614333254
74126531
oct1705702
9833327
10494530
11308603
121ba22a
1314412a
14cc318
159b7da
hex78bc2

494530 has 16 divisors (see below), whose sum is σ = 942840. Its totient is φ = 186112.

The previous prime is 494521. The next prime is 494539. The reversal of 494530 is 35494.

494530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (494521) and next prime (494539).

It can be written as a sum of positive squares in 4 ways, for example, as 488601 + 5929 = 699^2 + 77^2 .

It is a junction number, because it is equal to n+sod(n) for n = 494495 and 494504.

It is not an unprimeable number, because it can be changed into a prime (494539) by changing a digit.

494530 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285 + ... + 1624.

2494530 is an apocalyptic number.

494530 is a deficient number, since it is larger than the sum of its proper divisors (448310).

494530 is a wasteful number, since it uses less digits than its factorization.

494530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 494530 is about 703.2282701940. The cubic root of 494530 is about 79.0795545341.

It can be divided in two parts, 494 and 530, that added together give a 10-th power (1024 = 210).

The spelling of 494530 in words is "four hundred ninety-four thousand, five hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 2909 5818 14545 29090 49453 98906 247265 494530