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494625240 = 233251373959
BaseRepresentation
bin11101011110110…
…110000111011000
31021110201120021100
4131132312013120
52003111001430
6121025311400
715154150044
oct3536660730
91243646240
10494625240
1123422629a
12119795560
137b622875
1449997024
152d655960
hex1d7b61d8

494625240 has 48 divisors (see below), whose sum is σ = 1607533200. Its totient is φ = 131899968.

The previous prime is 494625191. The next prime is 494625253. The reversal of 494625240 is 42526494.

494625240 is a `hidden beast` number, since 4 + 9 + 4 + 625 + 24 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 494625195 and 494625204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686620 + ... + 687339.

It is an arithmetic number, because the mean of its divisors is an integer number (33490275).

Almost surely, 2494625240 is an apocalyptic number.

494625240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

494625240 is an abundant number, since it is smaller than the sum of its proper divisors (1112907960).

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

494625240 is a wasteful number, since it uses less digits than its factorization.

494625240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373976 (or 1373969 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 494625240 is about 22240.1717619267. The cubic root of 494625240 is about 790.8463077033.

The spelling of 494625240 in words is "four hundred ninety-four million, six hundred twenty-five thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 1373959 2747918 4121877 5495836 6869795 8243754 10991672 12365631 13739590 16487508 20609385 24731262 27479180 32975016 41218770 49462524 54958360 61828155 82437540 98925048 123656310 164875080 247312620 494625240