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494994528 = 25327245533
BaseRepresentation
bin11101100000010…
…000010001100000
31021111102022211200
4131200100101200
52003204311103
6121041241200
715160245510
oct3540202140
91244368750
10494994528
11234458796
12119933200
137b721992
1449a51840
152d6ca0a3
hex1d810460

494994528 has 72 divisors (see below), whose sum is σ = 1608738768. Its totient is φ = 141426432.

The previous prime is 494994503. The next prime is 494994529. The reversal of 494994528 is 825499494.

494994528 is a `hidden beast` number, since 494 + 99 + 45 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494994529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120751 + ... + 124782.

It is an arithmetic number, because the mean of its divisors is an integer number (22343594).

Almost surely, 2494994528 is an apocalyptic number.

494994528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

494994528 is an abundant number, since it is smaller than the sum of its proper divisors (1113744240).

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

494994528 is a wasteful number, since it uses less digits than its factorization.

494994528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245556 (or 245545 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 494994528 is about 22248.4724868922. The cubic root of 494994528 is about 791.0430744512.

The spelling of 494994528 in words is "four hundred ninety-four million, nine hundred ninety-four thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 245533 491066 736599 982132 1473198 1718731 1964264 2209797 2946396 3437462 3928528 4419594 5156193 5892792 6874924 7857056 8839188 10312386 11785584 13749848 15468579 17678376 20624772 23571168 27499696 30937158 35356752 41249544 54999392 61874316 70713504 82499088 123748632 164998176 247497264 494994528