Search a number
-
+
2828249 = 8833203
BaseRepresentation
bin1010110010011111011001
312022200121222
422302133121
51211000444
6140341425
733016424
oct12623731
95280558
102828249
1116619a6
12b44875
13780428
145389bb
153aceee
hex2b27d9

2828249 has 4 divisors (see below), whose sum is σ = 2832336. Its totient is φ = 2824164.

The previous prime is 2828237. The next prime is 2828257. The reversal of 2828249 is 9428282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2828249 - 216 = 2762713 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2828209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (708084).

22828249 is an apocalyptic number.

It is an amenable number.

2828249 is a deficient number, since it is larger than the sum of its proper divisors (4087).

2828249 is an equidigital number, since it uses as much as digits as its factorization.

2828249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086.

The product of its digits is 18432, while the sum is 35.

The square root of 2828249 is about 1681.7398728698. The cubic root of 2828249 is about 141.4183874292.

The spelling of 2828249 in words is "two million, eight hundred twenty-eight thousand, two hundred forty-nine".

Divisors: 1 883 3203 2828249