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2065728 = 26372953
BaseRepresentation
bin111111000010101000000
310212221122110
413320111000
51012100403
6112135320
723362350
oct7702500
93787573
102065728
111191015
12837540
13574332
143bab60
152ac103
hex1f8540

2065728 has 112 divisors (see below), whose sum is σ = 6583680. Its totient is φ = 559104.

The previous prime is 2065727. The next prime is 2065729. The reversal of 2065728 is 8275602.

It is an interprime number because it is at equal distance from previous prime (2065727) and next prime (2065729).

It is a tau number, because it is divible by the number of its divisors (112).

It is a d-powerful number, because it can be written as 22 + 0 + 66 + 59 + 73 + 216 + 82 .

It is a junction number, because it is equal to n+sod(n) for n = 2065695 and 2065704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065727) 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, 38950 + ... + 39002.

22065728 is an apocalyptic number.

2065728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2065728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3291840).

2065728 is an abundant number, since it is smaller than the sum of its proper divisors (4517952).

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

2065728 is a wasteful number, since it uses less digits than its factorization.

2065728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2065728 is about 1437.2640675951. The cubic root of 2065728 is about 127.3574570000.

The spelling of 2065728 in words is "two million, sixty-five thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 48 53 56 58 64 84 87 96 106 112 116 159 168 174 192 203 212 224 232 318 336 348 371 406 424 448 464 609 636 672 696 742 812 848 928 1113 1218 1272 1344 1392 1484 1537 1624 1696 1856 2226 2436 2544 2784 2968 3074 3248 3392 4452 4611 4872 5088 5568 5936 6148 6496 8904 9222 9744 10176 10759 11872 12296 12992 17808 18444 19488 21518 23744 24592 32277 35616 36888 38976 43036 49184 64554 71232 73776 86072 98368 129108 147552 172144 258216 295104 344288 516432 688576 1032864 2065728