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889444 = 22222361
BaseRepresentation
bin11011001001001100100
31200012002101
43121021210
5211430234
631021444
710363063
oct3311144
91605071
10889444
11558286
1236a884
13251aca
141921da
15128814
hexd9264

889444 has 6 divisors (see below), whose sum is σ = 1556534. Its totient is φ = 444720.

The previous prime is 889439. The next prime is 889453. The reversal of 889444 is 444988.

It can be written as a sum of positive squares in only one way, i.e., 792100 + 97344 = 890^2 + 312^2 .

It is a super-2 number, since 2×8894442 = 1582221258272, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111177 + ... + 111184.

2889444 is an apocalyptic number.

It is an amenable number.

889444 is a deficient number, since it is larger than the sum of its proper divisors (667090).

889444 is a wasteful number, since it uses less digits than its factorization.

889444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222365 (or 222363 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 889444 is about 943.1033877577. The cubic root of 889444 is about 96.1699824078.

It can be divided in two parts, 889 and 444, that multiplied together give a triangular number (394716 = T888).

The spelling of 889444 in words is "eight hundred eighty-nine thousand, four hundred forty-four".

Divisors: 1 2 4 222361 444722 889444