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494481 = 31331409
BaseRepresentation
bin1111000101110010001
3221010022010
41320232101
5111310411
614333133
74126431
oct1705621
9833263
10494481
11308569
121ba1a9
131440c0
14cc2c1
159b7a6
hex78b91

494481 has 16 divisors (see below), whose sum is σ = 734720. Its totient is φ = 293760.

The previous prime is 494471. The next prime is 494497. The reversal of 494481 is 184494.

It is not a de Polignac number, because 494481 - 27 = 494353 is a prime.

It is a super-2 number, since 2×4944812 = 489022918722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494481.

It is not an unprimeable number, because it can be changed into a prime (494441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005 + ... + 1413.

It is an arithmetic number, because the mean of its divisors is an integer number (45920).

2494481 is an apocalyptic number.

It is an amenable number.

494481 is a deficient number, since it is larger than the sum of its proper divisors (240239).

494481 is a wasteful number, since it uses less digits than its factorization.

494481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its digits is 4608, while the sum is 30.

The square root of 494481 is about 703.1934300034. The cubic root of 494481 is about 79.0769426088.

The spelling of 494481 in words is "four hundred ninety-four thousand, four hundred eighty-one".

Divisors: 1 3 13 31 39 93 403 409 1209 1227 5317 12679 15951 38037 164827 494481