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3825013 = 29413217
BaseRepresentation
bin1110100101110101110101
321012022221011
432211311311
51434400023
6213552221
744340433
oct16456565
97168834
103825013
112182875
121345671
13a3c02a
14717d53
1550850d
hex3a5d75

3825013 has 8 divisors (see below), whose sum is σ = 4054680. Its totient is φ = 3601920.

The previous prime is 3825011. The next prime is 3825043. The reversal of 3825013 is 3105283.

It can be written as a sum of positive squares in 4 ways, for example, as 465124 + 3359889 = 682^2 + 1833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3825013 - 21 = 3825011 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3825011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420 + ... + 2797.

It is an arithmetic number, because the mean of its divisors is an integer number (506835).

Almost surely, 23825013 is an apocalyptic number.

It is an amenable number.

3825013 is a deficient number, since it is larger than the sum of its proper divisors (229667).

3825013 is a wasteful number, since it uses less digits than its factorization.

3825013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3825013 is about 1955.7640450729. The cubic root of 3825013 is about 156.3907173931.

The spelling of 3825013 in words is "three million, eight hundred twenty-five thousand, thirteen".

Divisors: 1 29 41 1189 3217 93293 131897 3825013