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2750000249 is a prime number
BaseRepresentation
bin1010001111101001…
…1010110001111001
321002122121111011002
42203322122301321
521113000001444
61132514014345
7125101421303
oct24372326171
97078544132
102750000249
111191337987
12648b773b5
1334a971ca9
141c132a973
1511165ed4e
hexa3e9ac79

2750000249 has 2 divisors, whose sum is σ = 2750000250. Its totient is φ = 2750000248.

The previous prime is 2750000161. The next prime is 2750000261. The reversal of 2750000249 is 9420000572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2648131600 + 101868649 = 51460^2 + 10093^2 .

It is a cyclic number.

It is not a de Polignac number, because 2750000249 - 216 = 2749934713 is a prime.

It is not a weakly prime, because it can be changed into another prime (2750002249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375000124 + 1375000125.

It is an arithmetic number, because the mean of its divisors is an integer number (1375000125).

Almost surely, 22750000249 is an apocalyptic number.

It is an amenable number.

2750000249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750000249 is an equidigital number, since it uses as much as digits as its factorization.

2750000249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2750000249 is about 52440.4447826294. Note that the first 3 decimals coincide. The cubic root of 2750000249 is about 1401.0197076130.

The spelling of 2750000249 in words is "two billion, seven hundred fifty million, two hundred forty-nine", and thus it is an aban number.