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28874063 is a prime number
BaseRepresentation
bin110111000100…
…1010101001111
32000022221202202
41232021111033
524342432223
62510512115
7500265641
oct156112517
960287682
1028874063
1115331569
12980563b
135c9c65a
143b98891
152805428
hex1b8954f

28874063 has 2 divisors, whose sum is σ = 28874064. Its totient is φ = 28874062.

The previous prime is 28874047. The next prime is 28874077. The reversal of 28874063 is 36047882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28874063 - 24 = 28874047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28874663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14437031 + 14437032.

It is an arithmetic number, because the mean of its divisors is an integer number (14437032).

Almost surely, 228874063 is an apocalyptic number.

28874063 is a deficient number, since it is larger than the sum of its proper divisors (1).

28874063 is an equidigital number, since it uses as much as digits as its factorization.

28874063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 28874063 is about 5373.4591279733. The cubic root of 28874063 is about 306.7863034840.

The spelling of 28874063 in words is "twenty-eight million, eight hundred seventy-four thousand, sixty-three".