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485221161 = 3829195103
BaseRepresentation
bin11100111010111…
…110001100101001
31020211000210022010
4130322332030221
51443204034121
6120051550133
715011211645
oct3472761451
91224023263
10485221161
11229992927
121165bb349
13796ac319
1448629c25
152c8e9376
hex1cebe329

485221161 has 8 divisors (see below), whose sum is σ = 647745280. Its totient is φ = 323088912.

The previous prime is 485221151. The next prime is 485221181. The reversal of 485221161 is 161122584.

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

It is not a de Polignac number, because 485221161 - 25 = 485221129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485221111) 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 7 ways as a sum of consecutive naturals, for example, 95065 + ... + 100038.

It is an arithmetic number, because the mean of its divisors is an integer number (80968160).

Almost surely, 2485221161 is an apocalyptic number.

It is an amenable number.

485221161 is a deficient number, since it is larger than the sum of its proper divisors (162524119).

485221161 is a wasteful number, since it uses less digits than its factorization.

485221161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195935.

The product of its digits is 3840, while the sum is 30.

The square root of 485221161 is about 22027.7361751043. The cubic root of 485221161 is about 785.8022069625.

The spelling of 485221161 in words is "four hundred eighty-five million, two hundred twenty-one thousand, one hundred sixty-one".

Divisors: 1 3 829 2487 195103 585309 161740387 485221161