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889045 = 5269661
BaseRepresentation
bin11011001000011010101
31200011112121
43121003111
5211422140
631015541
710361653
oct3310325
91604477
10889045
11557a53
1236a5b1
13251881
14191dd3
1512864a
hexd90d5

889045 has 8 divisors (see below), whose sum is σ = 1072440. Its totient is φ = 707520.

The previous prime is 889043. The next prime is 889051. The reversal of 889045 is 540988.

889045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 40804 + 848241 = 202^2 + 921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 889045 - 21 = 889043 is a prime.

889045 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 889045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015 + ... + 1675.

It is an arithmetic number, because the mean of its divisors is an integer number (134055).

2889045 is an apocalyptic number.

It is an amenable number.

889045 is a deficient number, since it is larger than the sum of its proper divisors (183395).

889045 is a wasteful number, since it uses less digits than its factorization.

889045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 889045 is about 942.8918283663. The cubic root of 889045 is about 96.1555998039.

The spelling of 889045 in words is "eight hundred eighty-nine thousand, forty-five".

Divisors: 1 5 269 661 1345 3305 177809 889045