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2825321 = 3079203
BaseRepresentation
bin1010110001110001101001
312022112121112
422301301221
51210402241
6140320105
733005042
oct12616151
95275545
102825321
11165a784
12b43035
1377bcb5
145378c9
153ac1eb
hex2b1c69

2825321 has 4 divisors (see below), whose sum is σ = 2834832. Its totient is φ = 2815812.

The previous prime is 2825299. The next prime is 2825353. The reversal of 2825321 is 1235282.

2825321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2k-2825321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2825521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4295 + ... + 4908.

It is an arithmetic number, because the mean of its divisors is an integer number (708708).

22825321 is an apocalyptic number.

It is an amenable number.

2825321 is a deficient number, since it is larger than the sum of its proper divisors (9511).

2825321 is an equidigital number, since it uses as much as digits as its factorization.

2825321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510.

The product of its digits is 960, while the sum is 23.

The square root of 2825321 is about 1680.8691204255. The cubic root of 2825321 is about 141.3695685295.

The spelling of 2825321 in words is "two million, eight hundred twenty-five thousand, three hundred twenty-one".

Divisors: 1 307 9203 2825321