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989604 = 2233721117
BaseRepresentation
bin11110001100110100100
31212021111000
43301212210
5223131404
633113300
711261100
oct3614644
91767430
10989604
11616560
123b8830
13288585
141ba900
15148339
hexf19a4

989604 has 144 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 241920.

The previous prime is 989581. The next prime is 989623. The reversal of 989604 is 406989.

It can be divided in two parts, 98 and 9604, that multiplied together give a cube (941192 = 983).

989604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58204 + ... + 58220.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2989604 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 989604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723680).

989604 is an abundant number, since it is smaller than the sum of its proper divisors (2457756).

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

989604 is a wasteful number, since it uses less digits than its factorization.

989604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 989604 is about 994.7884197155. The cubic root of 989604 is about 99.6522588291.

The spelling of 989604 in words is "nine hundred eighty-nine thousand, six hundred four".

Divisors: 1 2 3 4 6 7 9 11 12 14 17 18 21 22 27 28 33 34 36 42 44 49 51 54 63 66 68 77 84 98 99 102 108 119 126 132 147 153 154 187 189 196 198 204 231 238 252 294 297 306 308 357 374 378 396 441 459 462 476 539 561 588 594 612 693 714 748 756 833 882 918 924 1071 1078 1122 1188 1309 1323 1386 1428 1617 1666 1683 1764 1836 2079 2142 2156 2244 2499 2618 2646 2772 3213 3234 3332 3366 3927 4158 4284 4851 4998 5049 5236 5292 6426 6468 6732 7497 7854 8316 9163 9702 9996 10098 11781 12852 14553 14994 15708 18326 19404 20196 22491 23562 27489 29106 29988 35343 36652 44982 47124 54978 58212 70686 82467 89964 109956 141372 164934 247401 329868 494802 989604