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490005433 = 1728823849
BaseRepresentation
bin11101001101001…
…110001110111001
31021011000212002101
4131031032032321
52000420133213
6120342303401
715066656161
oct3515161671
91234025071
10490005433
11231660375
12118127b61
137a695b58
14491135a1
152d041bdd
hex1d34e3b9

490005433 has 4 divisors (see below), whose sum is σ = 518829300. Its totient is φ = 461181568.

The previous prime is 490005413. The next prime is 490005457. The reversal of 490005433 is 334500094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 446603689 + 43401744 = 21133^2 + 6588^2 .

It is a cyclic number.

It is not a de Polignac number, because 490005433 - 213 = 489997241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490005413) 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 3 ways as a sum of consecutive naturals, for example, 14411908 + ... + 14411941.

It is an arithmetic number, because the mean of its divisors is an integer number (129707325).

Almost surely, 2490005433 is an apocalyptic number.

It is an amenable number.

490005433 is a deficient number, since it is larger than the sum of its proper divisors (28823867).

490005433 is a wasteful number, since it uses less digits than its factorization.

490005433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28823866.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 490005433 is about 22136.0663397994. The cubic root of 490005433 is about 788.3764300639.

The spelling of 490005433 in words is "four hundred ninety million, five thousand, four hundred thirty-three".

Divisors: 1 17 28823849 490005433