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485576209 = 3831267823
BaseRepresentation
bin11100111100010…
…100111000010001
31020211200211100001
4130330110320101
51443301414314
6120103330001
715014221036
oct3474247021
91224624301
10485576209
1122a105658
12116750901
13797a4b01
14486bd38d
152c969674
hex1cf14e11

485576209 has 4 divisors (see below), whose sum is σ = 486844416. Its totient is φ = 484308004.

The previous prime is 485576177. The next prime is 485576213. The reversal of 485576209 is 902675584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 485576209 - 25 = 485576177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485576279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633529 + ... + 634294.

It is an arithmetic number, because the mean of its divisors is an integer number (121711104).

Almost surely, 2485576209 is an apocalyptic number.

It is an amenable number.

485576209 is a deficient number, since it is larger than the sum of its proper divisors (1268207).

485576209 is a wasteful number, since it uses less digits than its factorization.

485576209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268206.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 485576209 is about 22035.7938137023. The cubic root of 485576209 is about 785.9938236948.

The spelling of 485576209 in words is "four hundred eighty-five million, five hundred seventy-six thousand, two hundred nine".

Divisors: 1 383 1267823 485576209