Search a number
-
+
494499944 = 231719718457
BaseRepresentation
bin11101011110010…
…111100001101000
31021110111012101202
4131132113201220
52003042444234
6121022503332
715153115541
oct3536274150
91243435352
10494499944
11234150144
12119734b48
137b5aa823
14499634c8
152d62d77e
hex1d797868

494499944 has 32 divisors (see below), whose sum is σ = 986764680. Its totient is φ = 231512064.

The previous prime is 494499937. The next prime is 494499949. The reversal of 494499944 is 449994494.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 474804100 + 19695844 = 21790^2 + 4438^2 .

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 494499944.

It is not an unprimeable number, because it can be changed into a prime (494499949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17564 + ... + 36020.

Almost surely, 2494499944 is an apocalyptic number.

It is an amenable number.

494499944 is a deficient number, since it is larger than the sum of its proper divisors (492264736).

494499944 is a wasteful number, since it uses less digits than its factorization.

494499944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18677 (or 18673 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 56.

The square root of 494499944 is about 22237.3546987945. The cubic root of 494499944 is about 790.7795243158.

The spelling of 494499944 in words is "four hundred ninety-four million, four hundred ninety-nine thousand, nine hundred forty-four".

Divisors: 1 2 4 8 17 34 68 136 197 394 788 1576 3349 6698 13396 18457 26792 36914 73828 147656 313769 627538 1255076 2510152 3636029 7272058 14544116 29088232 61812493 123624986 247249972 494499944