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485530389 = 3319946453
BaseRepresentation
bin11100111100001…
…001101100010101
31020211121111111000
4130330021230111
51443243433024
6120102333513
715013640331
oct3474115425
91224544430
10485530389
1122a084193
1211672a299
1379789cb6
14486aa7c1
152c95acc9
hex1cf09b15

485530389 has 16 divisors (see below), whose sum is σ = 757163200. Its totient is φ = 306650448.

The previous prime is 485530343. The next prime is 485530393. The reversal of 485530389 is 983035584.

It is a happy number.

485530389 is a `hidden beast` number, since 4 + 85 + 530 + 38 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2k-485530389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485530189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472714 + ... + 473739.

It is an arithmetic number, because the mean of its divisors is an integer number (47322700).

Almost surely, 2485530389 is an apocalyptic number.

It is an amenable number.

485530389 is a deficient number, since it is larger than the sum of its proper divisors (271632811).

485530389 is a wasteful number, since it uses less digits than its factorization.

485530389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946481 (or 946475 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 485530389 is about 22034.7541170761. The cubic root of 485530389 is about 785.9691002362.

The spelling of 485530389 in words is "four hundred eighty-five million, five hundred thirty thousand, three hundred eighty-nine".

Divisors: 1 3 9 19 27 57 171 513 946453 2839359 8518077 17982607 25554231 53947821 161843463 485530389