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885481 = 9412
BaseRepresentation
bin11011000001011101001
31122222122121
43120023221
5211313411
630551241
710345402
oct3301351
91588577
10885481
11555303
12368521
1325006c
141909a9
15127571
hexd82e9

885481 has 3 divisors (see below), whose sum is σ = 886423. Its totient is φ = 884540.

The previous prime is 885473. The next prime is 885487. The reversal of 885481 is 184588.

The square root of 885481 is 941.

It is a perfect power (a square), and thus also a powerful number.

885481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 549081 + 336400 = 741^2 + 580^2 .

It is not a de Polignac number, because 885481 - 23 = 885473 is a prime.

It is a super-2 number, since 2×8854812 = 1568153202722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (885487) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 471 + ... + 1411.

2885481 is an apocalyptic number.

885481 is the 941-st square number.

885481 is the 471-st centered octagonal number.

It is an amenable number.

885481 is a deficient number, since it is larger than the sum of its proper divisors (942).

885481 is an frugal number, since it uses more digits than its factorization.

885481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 941 counting only the distinct ones).

The product of its digits is 10240, while the sum is 34.

The cubic root of 885481 is about 96.0269383314.

The spelling of 885481 in words is "eight hundred eighty-five thousand, four hundred eighty-one".

Divisors: 1 941 885481