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3028213 is a prime number
BaseRepresentation
bin1011100011010011110101
312200211221001
423203103311
51233400323
6144523301
734511416
oct13432365
95624831
103028213
111789161
121020531
13820456
1458b80d
153ec3ad
hex2e34f5

3028213 has 2 divisors, whose sum is σ = 3028214. Its totient is φ = 3028212.

The previous prime is 3028177. The next prime is 3028217. The reversal of 3028213 is 3128203.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3020644 + 7569 = 1738^2 + 87^2 .

It is a cyclic number.

It is not a de Polignac number, because 3028213 - 213 = 3020021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3028217) 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 as a sum of consecutive naturals, namely, 1514106 + 1514107.

It is an arithmetic number, because the mean of its divisors is an integer number (1514107).

Almost surely, 23028213 is an apocalyptic number.

It is an amenable number.

3028213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3028213 is an equidigital number, since it uses as much as digits as its factorization.

3028213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3028213 is about 1740.1761405099. The cubic root of 3028213 is about 144.6756603053.

It can be divided in two parts, 302 and 8213, that added together give a triangular number (8515 = T130).

The spelling of 3028213 in words is "three million, twenty-eight thousand, two hundred thirteen".