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28676873 is a prime number
BaseRepresentation
bin110110101100…
…1001100001001
31222221221021102
41231121030021
524320124443
62502351145
7465515021
oct155311411
958857242
1028676873
11152073a5
12972b4b5
135c30984
143b46a81
1527b6cb8
hex1b59309

28676873 has 2 divisors, whose sum is σ = 28676874. Its totient is φ = 28676872.

The previous prime is 28676861. The next prime is 28676881. The reversal of 28676873 is 37867682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22391824 + 6285049 = 4732^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 28676873 - 28 = 28676617 is a prime.

It is not a weakly prime, because it can be changed into another prime (28676803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14338436 + 14338437.

It is an arithmetic number, because the mean of its divisors is an integer number (14338437).

Almost surely, 228676873 is an apocalyptic number.

It is an amenable number.

28676873 is a deficient number, since it is larger than the sum of its proper divisors (1).

28676873 is an equidigital number, since it uses as much as digits as its factorization.

28676873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 47.

The square root of 28676873 is about 5355.0791777527. The cubic root of 28676873 is about 306.0863277585.

The spelling of 28676873 in words is "twenty-eight million, six hundred seventy-six thousand, eight hundred seventy-three".