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2728293 = 38310957
BaseRepresentation
bin1010011010000101100101
312010121111220
422122011211
51144301133
6134250553
732122131
oct12320545
95117456
102728293
1115a3897
12ab6a59
13746a99
145103c1
1538d5b3
hex29a165

2728293 has 8 divisors (see below), whose sum is σ = 3681888. Its totient is φ = 1796784.

The previous prime is 2728289. The next prime is 2728301. The reversal of 2728293 is 3928272.

2728293 is nontrivially palindromic in base 2.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2728293 - 22 = 2728289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5230 + ... + 5727.

It is an arithmetic number, because the mean of its divisors is an integer number (460236).

22728293 is an apocalyptic number.

It is an amenable number.

2728293 is a deficient number, since it is larger than the sum of its proper divisors (953595).

2728293 is a wasteful number, since it uses less digits than its factorization.

2728293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11043.

The product of its digits is 12096, while the sum is 33.

The square root of 2728293 is about 1651.7545217132. The cubic root of 2728293 is about 139.7323628353.

The spelling of 2728293 in words is "two million, seven hundred twenty-eight thousand, two hundred ninety-three".

Divisors: 1 3 83 249 10957 32871 909431 2728293