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28834073 is a prime number
BaseRepresentation
bin110110111111…
…1100100011001
32000020220220122
41231333210121
524340142243
62510003025
7500041232
oct155774431
960226818
1028834073
1115304514
1297a6475
135c873a8
143b88089
1527e8668
hex1b7f919

28834073 has 2 divisors, whose sum is σ = 28834074. Its totient is φ = 28834072.

The previous prime is 28834009. The next prime is 28834079. The reversal of 28834073 is 37043882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26183689 + 2650384 = 5117^2 + 1628^2 .

It is a cyclic number.

It is not a de Polignac number, because 28834073 - 26 = 28834009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (28834079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14417036 + 14417037.

It is an arithmetic number, because the mean of its divisors is an integer number (14417037).

Almost surely, 228834073 is an apocalyptic number.

It is an amenable number.

28834073 is a deficient number, since it is larger than the sum of its proper divisors (1).

28834073 is an equidigital number, since it uses as much as digits as its factorization.

28834073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 28834073 is about 5369.7367719470. The cubic root of 28834073 is about 306.6446070826.

The spelling of 28834073 in words is "twenty-eight million, eight hundred thirty-four thousand, seventy-three".