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28360873 is a prime number
BaseRepresentation
bin110110000110…
…0000010101001
31222100212210201
41230030002221
524230021443
62451512201
7463030522
oct154140251
958325721
1028360873
1115010a42
1295b8661
135b4cba8
143aa3849
15275334d
hex1b0c0a9

28360873 has 2 divisors, whose sum is σ = 28360874. Its totient is φ = 28360872.

The previous prime is 28360867. The next prime is 28360903. The reversal of 28360873 is 37806382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22250089 + 6110784 = 4717^2 + 2472^2 .

It is a cyclic number.

It is not a de Polignac number, because 28360873 - 25 = 28360841 is a prime.

It is not a weakly prime, because it can be changed into another prime (28360273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14180436 + 14180437.

It is an arithmetic number, because the mean of its divisors is an integer number (14180437).

Almost surely, 228360873 is an apocalyptic number.

It is an amenable number.

28360873 is a deficient number, since it is larger than the sum of its proper divisors (1).

28360873 is an equidigital number, since it uses as much as digits as its factorization.

28360873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 28360873 is about 5325.4927471550. The cubic root of 28360873 is about 304.9578836408.

The spelling of 28360873 in words is "twenty-eight million, three hundred sixty thousand, eight hundred seventy-three".