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2160704 = 26721353
BaseRepresentation
bin1000001111100001000000
311001202221002
420033201000
51023120304
6114151132
724236300
oct10174100
94052832
102160704
111246407
128824a8
135a8630
14403600
152ca31e
hex20f840

2160704 has 84 divisors (see below), whose sum is σ = 5472684. Its totient is φ = 838656.

The previous prime is 2160677. The next prime is 2160721. The reversal of 2160704 is 4070612.

It can be written as a sum of positive squares in 2 ways, for example, as 906304 + 1254400 = 952^2 + 1120^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40742 + ... + 40794.

It is an arithmetic number, because the mean of its divisors is an integer number (65151).

22160704 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 2160704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2736342).

2160704 is an abundant number, since it is smaller than the sum of its proper divisors (3311980).

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

2160704 is a wasteful number, since it uses less digits than its factorization.

2160704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2160704 is about 1469.9333318215. The cubic root of 2160704 is about 129.2801235989.

The spelling of 2160704 in words is "two million, one hundred sixty thousand, seven hundred four".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 49 52 53 56 64 91 98 104 106 112 182 196 208 212 224 364 371 392 416 424 448 637 689 728 742 784 832 848 1274 1378 1456 1484 1568 1696 2548 2597 2756 2912 2968 3136 3392 4823 5096 5194 5512 5824 5936 9646 10192 10388 11024 11872 19292 20384 20776 22048 23744 33761 38584 40768 41552 44096 67522 77168 83104 135044 154336 166208 270088 308672 540176 1080352 2160704