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28575343 is a prime number
BaseRepresentation
bin110110100000…
…0011001101111
31222202210000001
41231000121233
524303402333
62500245131
7464613016
oct155003157
958683001
1028575343
1115148095
1296a07a7
135bc66b4
143b1ba7d
152796b7d
hex1b4066f

28575343 has 2 divisors, whose sum is σ = 28575344. Its totient is φ = 28575342.

The previous prime is 28575341. The next prime is 28575377. The reversal of 28575343 is 34357582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28575343 - 21 = 28575341 is a prime.

Together with 28575341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28575341) 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, 14287671 + 14287672.

It is an arithmetic number, because the mean of its divisors is an integer number (14287672).

Almost surely, 228575343 is an apocalyptic number.

28575343 is a deficient number, since it is larger than the sum of its proper divisors (1).

28575343 is an equidigital number, since it uses as much as digits as its factorization.

28575343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The square root of 28575343 is about 5345.5909869723. The cubic root of 28575343 is about 305.7246693939.

The spelling of 28575343 in words is "twenty-eight million, five hundred seventy-five thousand, three hundred forty-three".