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28834297 is a prime number
BaseRepresentation
bin110110111111…
…1100111111001
32000020221012221
41231333213321
524340144142
62510004041
7500042002
oct155774771
960227187
1028834297
11153046a8
1297a6621
135c8751b
143b881a9
1527e8767
hex1b7f9f9

28834297 has 2 divisors, whose sum is σ = 28834298. Its totient is φ = 28834296.

The previous prime is 28834291. The next prime is 28834313. The reversal of 28834297 is 79243882.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28419561 + 414736 = 5331^2 + 644^2 .

It is a cyclic number.

It is not a de Polignac number, because 28834297 - 211 = 28832249 is a prime.

It is not a weakly prime, because it can be changed into another prime (28834291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14417148 + 14417149.

It is an arithmetic number, because the mean of its divisors is an integer number (14417149).

Almost surely, 228834297 is an apocalyptic number.

It is an amenable number.

28834297 is a deficient number, since it is larger than the sum of its proper divisors (1).

28834297 is an equidigital number, since it uses as much as digits as its factorization.

28834297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 28834297 is about 5369.7576295397. The cubic root of 28834297 is about 306.6454011456.

The spelling of 28834297 in words is "twenty-eight million, eight hundred thirty-four thousand, two hundred ninety-seven".