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4728740 = 2252931263
BaseRepresentation
bin10010000010011110100100
322220020121112
4102002132210
52202304430
6245204152
755123262
oct22023644
98806545
104728740
11273a855
121700658
13c97493
148b1432
15636195
hex4827a4

4728740 has 48 divisors (see below), whose sum is σ = 10644480. Its totient is φ = 1760640.

The previous prime is 4728733. The next prime is 4728743. The reversal of 4728740 is 478274.

It is a junction number, because it is equal to n+sod(n) for n = 4728697 and 4728706.

It is not an unprimeable number, because it can be changed into a prime (4728743) 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, 17849 + ... + 18111.

It is an arithmetic number, because the mean of its divisors is an integer number (221760).

Almost surely, 24728740 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 4728740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5322240).

4728740 is an abundant number, since it is smaller than the sum of its proper divisors (5915740).

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

4728740 is a wasteful number, since it uses less digits than its factorization.

4728740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 4728740 is about 2174.5666234908. The cubic root of 4728740 is about 167.8476036744.

The spelling of 4728740 in words is "four million, seven hundred twenty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 29 31 58 62 116 124 145 155 263 290 310 526 580 620 899 1052 1315 1798 2630 3596 4495 5260 7627 8153 8990 15254 16306 17980 30508 32612 38135 40765 76270 81530 152540 163060 236437 472874 945748 1182185 2364370 4728740