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494424 = 23347109
BaseRepresentation
bin1111000101101011000
3221010020000
41320231120
5111310144
614333000
74126320
oct1705530
9833200
10494424
11308517
121ba160
13144078
14cc280
159b769
hex78b58

494424 has 80 divisors (see below), whose sum is σ = 1597200. Its totient is φ = 139968.

The previous prime is 494413. The next prime is 494441. The reversal of 494424 is 424494.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4482 + ... + 4590.

It is an arithmetic number, because the mean of its divisors is an integer number (19965).

2494424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798600).

494424 is an abundant number, since it is smaller than the sum of its proper divisors (1102776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494424 is a wasteful number, since it uses less digits than its factorization.

494424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 121 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 494424 is about 703.1528994465. The cubic root of 494424 is about 79.0739040297.

The spelling of 494424 in words is "four hundred ninety-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 81 84 108 109 126 162 168 189 216 218 252 324 327 378 436 504 567 648 654 756 763 872 981 1134 1308 1512 1526 1962 2268 2289 2616 2943 3052 3924 4536 4578 5886 6104 6867 7848 8829 9156 11772 13734 17658 18312 20601 23544 27468 35316 41202 54936 61803 70632 82404 123606 164808 247212 494424