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2820283 = 17237213
BaseRepresentation
bin1010110000100010111011
312022021200221
422300202323
51210222113
6140240511
732654254
oct12604273
95267627
102820283
111656a14
12b40137
1377990b
14535b2b
153aa98d
hex2b08bb

2820283 has 8 divisors (see below), whose sum is σ = 3116448. Its totient is φ = 2538624.

The previous prime is 2820271. The next prime is 2820313. The reversal of 2820283 is 3820282.

2820283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2820283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2820263) 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 7 ways as a sum of consecutive naturals, for example, 3216 + ... + 3997.

It is an arithmetic number, because the mean of its divisors is an integer number (389556).

22820283 is an apocalyptic number.

2820283 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2820283 is a deficient number, since it is larger than the sum of its proper divisors (296165).

2820283 is a wasteful number, since it uses less digits than its factorization.

2820283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7253.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2820283 is about 1679.3698222845. The cubic root of 2820283 is about 141.2854903380.

Subtracting 2820283 from its reverse (3820282), we obtain a palindrome (999999).

The spelling of 2820283 in words is "two million, eight hundred twenty thousand, two hundred eighty-three".

Divisors: 1 17 23 391 7213 122621 165899 2820283