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889240 = 235114347
BaseRepresentation
bin11011001000110011000
31200011210211
43121012120
5211423430
631020504
710362352
oct3310630
91604724
10889240
11558110
1236a734
132519a1
141920d2
1512872a
hexd9198

889240 has 64 divisors (see below), whose sum is σ = 2280960. Its totient is φ = 309120.

The previous prime is 889237. The next prime is 889247. The reversal of 889240 is 42988.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 18897 + ... + 18943.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2889240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140480).

889240 is an abundant number, since it is smaller than the sum of its proper divisors (1391720).

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

889240 is a wasteful number, since it uses less digits than its factorization.

889240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 889240 is about 942.9952279837. The cubic root of 889240 is about 96.1626294336.

The spelling of 889240 in words is "eight hundred eighty-nine thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 43 44 47 55 86 88 94 110 172 188 215 220 235 344 376 430 440 470 473 517 860 940 946 1034 1720 1880 1892 2021 2068 2365 2585 3784 4042 4136 4730 5170 8084 9460 10105 10340 16168 18920 20210 20680 22231 40420 44462 80840 88924 111155 177848 222310 444620 889240