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3820201 = 71149613
BaseRepresentation
bin1110100100101010101001
321012002022221
432210222221
51434221301
6213514041
744320420
oct16445251
97162287
103820201
11217a1a0
121342921
13a39a98
147162b7
15506da1
hex3a4aa9

3820201 has 8 divisors (see below), whose sum is σ = 4762944. Its totient is φ = 2976720.

The previous prime is 3820181. The next prime is 3820237. The reversal of 3820201 is 1020283.

It is a happy number.

3820201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3820201 - 217 = 3689129 is a prime.

It is a Duffinian number.

3820201 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3823201) 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 7 ways as a sum of consecutive naturals, for example, 24730 + ... + 24883.

It is an arithmetic number, because the mean of its divisors is an integer number (595368).

Almost surely, 23820201 is an apocalyptic number.

It is an amenable number.

3820201 is a deficient number, since it is larger than the sum of its proper divisors (942743).

3820201 is a wasteful number, since it uses less digits than its factorization.

3820201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49631.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3820201 is about 1954.5334481661. The cubic root of 3820201 is about 156.3251082103.

Adding to 3820201 its reverse (1020283), we get a palindrome (4840484).

The spelling of 3820201 in words is "three million, eight hundred twenty thousand, two hundred one".

Divisors: 1 7 11 77 49613 347291 545743 3820201