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3806121 = 311115337
BaseRepresentation
bin1110100001001110101001
321011101000110
432201032221
51433243441
6213324533
744231364
oct16411651
97141013
103806121
11216a660
121336749
13a33557
147110db
15502b16
hex3a13a9

3806121 has 8 divisors (see below), whose sum is σ = 5536224. Its totient is φ = 2306720.

The previous prime is 3806119. The next prime is 3806123. The reversal of 3806121 is 1216083.

3806121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3806119) and next prime (3806123).

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 3806121 - 21 = 3806119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3806123) 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, 57636 + ... + 57701.

It is an arithmetic number, because the mean of its divisors is an integer number (692028).

Almost surely, 23806121 is an apocalyptic number.

It is an amenable number.

3806121 is a deficient number, since it is larger than the sum of its proper divisors (1730103).

3806121 is a wasteful number, since it uses less digits than its factorization.

3806121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115351.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 3806121 is about 1950.9282406075. The cubic root of 3806121 is about 156.1328175255.

The spelling of 3806121 in words is "three million, eight hundred six thousand, one hundred twenty-one".

Divisors: 1 3 11 33 115337 346011 1268707 3806121