Search a number
-
+
490337997 = 3192452759
BaseRepresentation
bin11101001110011…
…111011011001101
31021011122202021120
4131032133123031
52001011303442
6120353351153
715102542562
oct3516373315
91234582246
10490337997
11231868216
121182684b9
137a781336
144919c869
152d0aa4ec
hex1d39f6cd

490337997 has 12 divisors (see below), whose sum is σ = 690006240. Its totient is φ = 309686472.

The previous prime is 490337971. The next prime is 490338029. The reversal of 490337997 is 799733094.

It is not a de Polignac number, because 490337997 - 218 = 490075853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490337297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225297 + ... + 227462.

It is an arithmetic number, because the mean of its divisors is an integer number (57500520).

Almost surely, 2490337997 is an apocalyptic number.

It is an amenable number.

490337997 is a deficient number, since it is larger than the sum of its proper divisors (199668243).

490337997 is a wasteful number, since it uses less digits than its factorization.

490337997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452800 (or 452781 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 51.

The square root of 490337997 is about 22143.5768790862. The cubic root of 490337997 is about 788.5547453159.

The spelling of 490337997 in words is "four hundred ninety million, three hundred thirty-seven thousand, nine hundred ninety-seven".

Divisors: 1 3 19 57 361 1083 452759 1358277 8602421 25807263 163445999 490337997