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885231 = 32412399
BaseRepresentation
bin11011000000111101111
31122222022100
43120013233
5211311411
630550143
710344564
oct3300757
91588270
10885231
115550a6
12368353
1324cc09
1419086b
15127456
hexd81ef

885231 has 12 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 575520.

The previous prime is 885223. The next prime is 885233. The reversal of 885231 is 132588.

It is a happy number.

It is not a de Polignac number, because 885231 - 23 = 885223 is a prime.

It is a super-2 number, since 2×8852312 = 1567267846722, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 885195 and 885204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 831 + ... + 1568.

It is an arithmetic number, because the mean of its divisors is an integer number (109200).

2885231 is an apocalyptic number.

885231 is a deficient number, since it is larger than the sum of its proper divisors (425169).

885231 is a wasteful number, since it uses less digits than its factorization.

885231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446 (or 2443 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 885231 is about 940.8671532156. The cubic root of 885231 is about 96.0179003079.

The spelling of 885231 in words is "eight hundred eighty-five thousand, two hundred thirty-one".

Divisors: 1 3 9 41 123 369 2399 7197 21591 98359 295077 885231