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490716789 = 31254113043
BaseRepresentation
bin11101001111111…
…011111001110101
31021012100222212220
4131033323321311
52001110414124
6120405432553
715106011123
oct3517737165
91235328786
10490716789
11231aa6872
1211840b759
137a884884
144925a913
152d132879
hex1d3fbe75

490716789 has 8 divisors (see below), whose sum is σ = 654391392. Its totient is φ = 327093360.

The previous prime is 490716767. The next prime is 490716791. The reversal of 490716789 is 987617094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 490716789 - 212 = 490712693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490716739) 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, 31102 + ... + 44144.

It is an arithmetic number, because the mean of its divisors is an integer number (81798924).

Almost surely, 2490716789 is an apocalyptic number.

It is an amenable number.

490716789 is a deficient number, since it is larger than the sum of its proper divisors (163674603).

490716789 is a wasteful number, since it uses less digits than its factorization.

490716789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25587.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 490716789 is about 22152.1283176132. The cubic root of 490716789 is about 788.7577490589.

The spelling of 490716789 in words is "four hundred ninety million, seven hundred sixteen thousand, seven hundred eighty-nine".

Divisors: 1 3 12541 13043 37623 39129 163572263 490716789