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889249 = 232412
BaseRepresentation
bin11011001000110100001
31200011211011
43121012201
5211423444
631020521
710362364
oct3310641
91604734
10889249
11558119
1236a741
132519aa
141920db
15128734
hexd91a1

889249 has 9 divisors (see below), whose sum is σ = 952819. Its totient is φ = 829840.

The previous prime is 889247. The next prime is 889261. The reversal of 889249 is 942988.

It is a happy number.

The square root of 889249 is 943.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 42849 + 846400 = 207^2 + 920^2 .

It is not a de Polignac number, because 889249 - 21 = 889247 is a prime.

It is a Duffinian number.

Its product of digits (41472) is a multiple of the sum of its prime divisors (64).

It is not an unprimeable number, because it can be changed into a prime (889247) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21669 + ... + 21709.

2889249 is an apocalyptic number.

889249 is the 943-rd square number.

889249 is the 472-nd centered octagonal number.

It is an amenable number.

889249 is a deficient number, since it is larger than the sum of its proper divisors (63570).

889249 is an equidigital number, since it uses as much as digits as its factorization.

889249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 64 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The cubic root of 889249 is about 96.1629538532.

The spelling of 889249 in words is "eight hundred eighty-nine thousand, two hundred forty-nine".

Divisors: 1 23 41 529 943 1681 21689 38663 889249