Search a number
-
+
885444 = 223783127
BaseRepresentation
bin11011000001011000100
31122222121020
43120023010
5211313234
630551140
710345320
oct3301304
91588536
10885444
1155527a
123684b0
13250041
14190980
15127549
hexd82c4

885444 has 48 divisors (see below), whose sum is σ = 2408448. Its totient is φ = 247968.

The previous prime is 885427. The next prime is 885449. The reversal of 885444 is 444588.

It is a super-2 number, since 2×8854442 = 1568022154272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (885449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6909 + ... + 7035.

It is an arithmetic number, because the mean of its divisors is an integer number (50176).

2885444 is an apocalyptic number.

885444 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 885444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204224).

885444 is an abundant number, since it is smaller than the sum of its proper divisors (1523004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

885444 is a wasteful number, since it uses less digits than its factorization.

885444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 222 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

The square root of 885444 is about 940.9803398584. The cubic root of 885444 is about 96.0256008112.

The spelling of 885444 in words is "eight hundred eighty-five thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 83 84 127 166 249 254 332 381 498 508 581 762 889 996 1162 1524 1743 1778 2324 2667 3486 3556 5334 6972 10541 10668 21082 31623 42164 63246 73787 126492 147574 221361 295148 442722 885444