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889938 = 232721009
BaseRepresentation
bin11011001010001010010
31200012202200
43121101102
5211434223
631024030
710364400
oct3312122
91605680
10889938
11558695
1236b016
132520ba
14192470
15128a43
hexd9452

889938 has 36 divisors (see below), whose sum is σ = 2245230. Its totient is φ = 254016.

The previous prime is 889937. The next prime is 889951. The reversal of 889938 is 839988.

It can be written as a sum of positive squares in only one way, i.e., 815409 + 74529 = 903^2 + 273^2 .

It is a junction number, because it is equal to n+sod(n) for n = 889893 and 889902.

It is not an unprimeable number, because it can be changed into a prime (889937) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 378 + ... + 1386.

2889938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1122615).

889938 is an abundant number, since it is smaller than the sum of its proper divisors (1355292).

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

889938 is a wasteful number, since it uses less digits than its factorization.

889938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1021 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 889938 is about 943.3652526991. The cubic root of 889938 is about 96.1877834830.

The spelling of 889938 in words is "eight hundred eighty-nine thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 441 882 1009 2018 3027 6054 7063 9081 14126 18162 21189 42378 49441 63567 98882 127134 148323 296646 444969 889938