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485713521 = 32481311213
BaseRepresentation
bin11100111100110…
…110011001110001
31020211221210200200
4130330312121301
51443320313041
6120110305413
715015332256
oct3474663161
91224853620
10485713521
1122a199837
121167b8269
1379822467
144871742d
152c9951b6
hex1cf36671

485713521 has 12 divisors (see below), whose sum is σ = 701794548. Its totient is φ = 323712864.

The previous prime is 485713519. The next prime is 485713523. The reversal of 485713521 is 125317584.

It is an interprime number because it is at equal distance from previous prime (485713519) and next prime (485713523).

It can be written as a sum of positive squares in 2 ways, for example, as 165482496 + 320231025 = 12864^2 + 17895^2 .

It is not a de Polignac number, because 485713521 - 21 = 485713519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (485713523) 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 11 ways as a sum of consecutive naturals, for example, 37711 + ... + 48923.

It is an arithmetic number, because the mean of its divisors is an integer number (58482879).

Almost surely, 2485713521 is an apocalyptic number.

It is an amenable number.

485713521 is a deficient number, since it is larger than the sum of its proper divisors (216081027).

485713521 is a wasteful number, since it uses less digits than its factorization.

485713521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16032 (or 16029 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 485713521 is about 22038.9092515941. The cubic root of 485713521 is about 786.0679049000.

The spelling of 485713521 in words is "four hundred eighty-five million, seven hundred thirteen thousand, five hundred twenty-one".

Divisors: 1 3 9 4813 11213 14439 33639 43317 100917 53968169 161904507 485713521