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28253327 is a prime number
BaseRepresentation
bin110101111000…
…1110010001111
31222011102021112
41223301302033
524213101302
62445322235
7462102134
oct153616217
958142245
1028253327
1114a48163
12956637b
135b12c5b
143a7658b
152731552
hex1af1c8f

28253327 has 2 divisors, whose sum is σ = 28253328. Its totient is φ = 28253326.

The previous prime is 28253273. The next prime is 28253363. The reversal of 28253327 is 72335282.

Together with previous prime (28253273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28253327 - 216 = 28187791 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28253293 and 28253302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28253377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14126663 + 14126664.

It is an arithmetic number, because the mean of its divisors is an integer number (14126664).

Almost surely, 228253327 is an apocalyptic number.

28253327 is a deficient number, since it is larger than the sum of its proper divisors (1).

28253327 is an equidigital number, since it uses as much as digits as its factorization.

28253327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 28253327 is about 5315.3858749859. The cubic root of 28253327 is about 304.5719229768.

The spelling of 28253327 in words is "twenty-eight million, two hundred fifty-three thousand, three hundred twenty-seven".