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28333367 is a prime number
BaseRepresentation
bin110110000010…
…1010100110111
31222022111001222
41230011110313
524223131432
62451140555
7462554366
oct154052467
958274058
1028333367
1114aa2307
1295a475b
135b4050a
143a977dd
15274a112
hex1b05537

28333367 has 2 divisors, whose sum is σ = 28333368. Its totient is φ = 28333366.

The previous prime is 28333307. The next prime is 28333369. The reversal of 28333367 is 76333382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28333367 - 26 = 28333303 is a prime.

Together with 28333369, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28333369) 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, 14166683 + 14166684.

It is an arithmetic number, because the mean of its divisors is an integer number (14166684).

Almost surely, 228333367 is an apocalyptic number.

28333367 is a deficient number, since it is larger than the sum of its proper divisors (1).

28333367 is an equidigital number, since it uses as much as digits as its factorization.

28333367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 35.

The square root of 28333367 is about 5322.9096366555. The cubic root of 28333367 is about 304.8592632071.

The spelling of 28333367 in words is "twenty-eight million, three hundred thirty-three thousand, three hundred sixty-seven".