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2885730 = 235432237
BaseRepresentation
bin1011000000100001100010
312102121110220
423000201202
51214320410
6141503510
733346131
oct13004142
95377426
102885730
1116a1101
12b71b96
137a0643
14551918
153c0070
hex2c0862

2885730 has 32 divisors (see below), whose sum is σ = 7089984. Its totient is φ = 751296.

The previous prime is 2885719. The next prime is 2885783. The reversal of 2885730 is 375882.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2885691 and 2885700.

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 15 ways as a sum of consecutive naturals, for example, 172 + ... + 2408.

It is an arithmetic number, because the mean of its divisors is an integer number (221562).

22885730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2885730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3544992).

2885730 is an abundant number, since it is smaller than the sum of its proper divisors (4204254).

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

2885730 is a wasteful number, since it uses less digits than its factorization.

2885730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2885730 is about 1698.7436534098. The cubic root of 2885730 is about 142.3700261471.

It can be divided in two parts, 28 and 85730, that added together give a palindrome (85758).

The spelling of 2885730 in words is "two million, eight hundred eighty-five thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 2237 4474 6711 11185 13422 22370 33555 67110 96191 192382 288573 480955 577146 961910 1442865 2885730