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5106305 = 51021261
BaseRepresentation
bin10011011110101010000001
3100121102112102
4103132222001
52301400210
6301240145
761255121
oct23365201
910542472
105106305
112978496
121863055
13109a2a9
1496cc81
156acea5
hex4dea81

5106305 has 4 divisors (see below), whose sum is σ = 6127572. Its totient is φ = 4085040.

The previous prime is 5106287. The next prime is 5106317. The reversal of 5106305 is 5036015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5036015 = 51007203.

It can be written as a sum of positive squares in 2 ways, for example, as 3625216 + 1481089 = 1904^2 + 1217^2 .

It is a de Polignac number, because none of the positive numbers 2k-5106305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 510626 + ... + 510635.

It is an arithmetic number, because the mean of its divisors is an integer number (1531893).

Almost surely, 25106305 is an apocalyptic number.

It is an amenable number.

5106305 is a deficient number, since it is larger than the sum of its proper divisors (1021267).

5106305 is a wasteful number, since it uses less digits than its factorization.

5106305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021266.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 5106305 is about 2259.7134774126. The cubic root of 5106305 is about 172.2009661977.

The spelling of 5106305 in words is "five million, one hundred six thousand, three hundred five".

Divisors: 1 5 1021261 5106305