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28046927 is a prime number
BaseRepresentation
bin110101011111…
…1011001001111
31221202221011002
41222333121033
524140000202
62441050515
7460252316
oct152773117
957687132
1028046927
1114917087
129486a3b
135a7001c
143a2127d
1526e0302
hex1abf64f

28046927 has 2 divisors, whose sum is σ = 28046928. Its totient is φ = 28046926.

The previous prime is 28046903. The next prime is 28046981. The reversal of 28046927 is 72964082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28046927 - 28 = 28046671 is a prime.

It is a super-2 number, since 2×280469272 = 1573260228286658, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28046987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14023463 + 14023464.

It is an arithmetic number, because the mean of its divisors is an integer number (14023464).

Almost surely, 228046927 is an apocalyptic number.

28046927 is a deficient number, since it is larger than the sum of its proper divisors (1).

28046927 is an equidigital number, since it uses as much as digits as its factorization.

28046927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 28046927 is about 5295.9349505069. The cubic root of 28046927 is about 303.8284429941.

The spelling of 28046927 in words is "twenty-eight million, forty-six thousand, nine hundred twenty-seven".