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4288750885 = 5857750177
BaseRepresentation
bin1111111110100001…
…0010010100100101
3102001220001010012101
43333220102110211
532240410012020
61545322452101
7211164531616
oct37750222445
912056033171
104288750885
111900985021
129b8364031
135346b1223
142c9839c0d
151a17b100a
hexffa12525

4288750885 has 4 divisors (see below), whose sum is σ = 5146501068. Its totient is φ = 3431000704.

The previous prime is 4288750859. The next prime is 4288750901. The reversal of 4288750885 is 5880578824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 923126689 + 3365624196 = 30383^2 + 58014^2 .

It is a cyclic number.

It is not a de Polignac number, because 4288750885 - 25 = 4288750853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 428875084 + ... + 428875093.

It is an arithmetic number, because the mean of its divisors is an integer number (1286625267).

Almost surely, 24288750885 is an apocalyptic number.

It is an amenable number.

4288750885 is a deficient number, since it is larger than the sum of its proper divisors (857750183).

4288750885 is an equidigital number, since it uses as much as digits as its factorization.

4288750885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857750182.

The product of its (nonzero) digits is 5734400, while the sum is 55.

The square root of 4288750885 is about 65488.5553742026. Note that the first 3 decimals coincide. The cubic root of 4288750885 is about 1624.7140653507.

The spelling of 4288750885 in words is "four billion, two hundred eighty-eight million, seven hundred fifty thousand, eight hundred eighty-five".

Divisors: 1 5 857750177 4288750885