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28433341 is a prime number
BaseRepresentation
bin110110001110…
…1101110111101
31222111120012201
41230131232331
524234331331
62453231501
7463452016
oct154355675
958446181
1028433341
1115060432
129632591
135b76b81
143ac200d
152769a61
hex1b1dbbd

28433341 has 2 divisors, whose sum is σ = 28433342. Its totient is φ = 28433340.

The previous prime is 28433303. The next prime is 28433347. The reversal of 28433341 is 14333482.

28433341 = 37702 + 37712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14220441 + 14212900 = 3771^2 + 3770^2 .

It is a cyclic number.

It is not a de Polignac number, because 28433341 - 217 = 28302269 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28433347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14216670 + 14216671.

It is an arithmetic number, because the mean of its divisors is an integer number (14216671).

Almost surely, 228433341 is an apocalyptic number.

28433341 is the 3771-st centered square number.

It is an amenable number.

28433341 is a deficient number, since it is larger than the sum of its proper divisors (1).

28433341 is an equidigital number, since it uses as much as digits as its factorization.

28433341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 28.

The square root of 28433341 is about 5332.2922838119. The cubic root of 28433341 is about 305.2174065813.

The spelling of 28433341 in words is "twenty-eight million, four hundred thirty-three thousand, three hundred forty-one".