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5248861 = 41128021
BaseRepresentation
bin10100000001011101011101
3100212200002021
4110001131131
52320430421
6304300141
762420542
oct24013535
910780067
105248861
112a65602
121911651
13111a147
149a8bc9
156da341
hex50175d

5248861 has 4 divisors (see below), whose sum is σ = 5376924. Its totient is φ = 5120800.

The previous prime is 5248843. The next prime is 5248877. The reversal of 5248861 is 1688425.

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 324900 + 4923961 = 570^2 + 2219^2 .

It is a cyclic number.

It is not a de Polignac number, because 5248861 - 25 = 5248829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5248811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63970 + ... + 64051.

It is an arithmetic number, because the mean of its divisors is an integer number (1344231).

Almost surely, 25248861 is an apocalyptic number.

It is an amenable number.

5248861 is a deficient number, since it is larger than the sum of its proper divisors (128063).

5248861 is a wasteful number, since it uses less digits than its factorization.

5248861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128062.

The product of its digits is 15360, while the sum is 34.

The square root of 5248861 is about 2291.0392838186. The cubic root of 5248861 is about 173.7887624643.

The spelling of 5248861 in words is "five million, two hundred forty-eight thousand, eight hundred sixty-one".

Divisors: 1 41 128021 5248861