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495589920 = 253572191109
BaseRepresentation
bin11101100010100…
…001101000100000
31021112112120120020
4131202201220200
52003332334140
6121102113440
715165305400
oct3542415040
91245476506
10495589920
11234825051
12119b7b880
137b89c997
1449b68800
152d7966d0
hex1d8a1a20

495589920 has 288 divisors, whose sum is σ = 1913284800. Its totient is φ = 107218944.

The previous prime is 495589907. The next prime is 495589937. The reversal of 495589920 is 29985594.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 446326 + ... + 447434.

It is an arithmetic number, because the mean of its divisors is an integer number (6643350).

Almost surely, 2495589920 is an apocalyptic number.

495589920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495589920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956642400).

495589920 is an abundant number, since it is smaller than the sum of its proper divisors (1417694880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

495589920 is a wasteful number, since it uses less digits than its factorization.

495589920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 51.

The square root of 495589920 is about 22261.8489798130. The cubic root of 495589920 is about 791.3601096113.

The spelling of 495589920 in words is "four hundred ninety-five million, five hundred eighty-nine thousand, nine hundred twenty".