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885381 = 37219317
BaseRepresentation
bin11011000001010000101
31122222111220
43120022011
5211313011
630550553
710345200
oct3301205
91588456
10885381
11555222
12368459
1324ccc3
14190937
15127506
hexd8285

885381 has 24 divisors (see below), whose sum is σ = 1450080. Its totient is φ = 477792.

The previous prime is 885371. The next prime is 885383. The reversal of 885381 is 183588.

It is not a de Polignac number, because 885381 - 214 = 868997 is a prime.

It is a super-2 number, since 2×8853812 = 1567799030322, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2635 + ... + 2951.

It is an arithmetic number, because the mean of its divisors is an integer number (60420).

2885381 is an apocalyptic number.

It is an amenable number.

885381 is a deficient number, since it is larger than the sum of its proper divisors (564699).

885381 is a wasteful number, since it uses less digits than its factorization.

885381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 346 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 885381 is about 940.9468635369. The cubic root of 885381 is about 96.0233233262.

The spelling of 885381 in words is "eight hundred eighty-five thousand, three hundred eighty-one".

Divisors: 1 3 7 19 21 49 57 133 147 317 399 931 951 2219 2793 6023 6657 15533 18069 42161 46599 126483 295127 885381