Search a number
-
+
494768331 = 3410956039
BaseRepresentation
bin11101011111011…
…001000011001011
31021110222211120000
4131133121003023
52003130041311
6121032334043
715155314161
oct3537310313
91243884500
10494768331
11234313852
12119844323
137b672a35
14499d3231
152d683056
hex1d7d90cb

494768331 has 20 divisors (see below), whose sum is σ = 745892400. Its totient is φ = 326813616.

The previous prime is 494768269. The next prime is 494768347. The reversal of 494768331 is 133867494.

It is not a de Polignac number, because 494768331 - 210 = 494767307 is a prime.

It is a super-2 number, since 2×4947683312 = 489591402721051122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (494768371) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 19191 + ... + 36848.

It is an arithmetic number, because the mean of its divisors is an integer number (37294620).

Almost surely, 2494768331 is an apocalyptic number.

494768331 is a deficient number, since it is larger than the sum of its proper divisors (251124069).

494768331 is a wasteful number, since it uses less digits than its factorization.

494768331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56160 (or 56151 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 494768331 is about 22243.3884783771. The cubic root of 494768331 is about 790.9225621206.

The spelling of 494768331 in words is "four hundred ninety-four million, seven hundred sixty-eight thousand, three hundred thirty-one".

Divisors: 1 3 9 27 81 109 327 981 2943 8829 56039 168117 504351 1513053 4539159 6108251 18324753 54974259 164922777 494768331