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3385121 = 6415281
BaseRepresentation
bin1100111010011100100001
320100222111212
430322130201
51331310441
6200315505
740526105
oct14723441
96328455
103385121
111a02323
121172b95
13916a3c
14641905
1546ceeb
hex33a721

3385121 has 4 divisors (see below), whose sum is σ = 3391044. Its totient is φ = 3379200.

The previous prime is 3385111. The next prime is 3385127. The reversal of 3385121 is 1215833.

3385121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1215833 = 1398747.

It can be written as a sum of positive squares in 2 ways, for example, as 1784896 + 1600225 = 1336^2 + 1265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3385121 is a prime.

It is a super-2 number, since 2×33851212 = 22918088369282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3385127) 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, 2000 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (847761).

Almost surely, 23385121 is an apocalyptic number.

It is an amenable number.

3385121 is a deficient number, since it is larger than the sum of its proper divisors (5923).

3385121 is an equidigital number, since it uses as much as digits as its factorization.

3385121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5922.

The product of its digits is 720, while the sum is 23.

The square root of 3385121 is about 1839.8698323523. The cubic root of 3385121 is about 150.1497911084.

The spelling of 3385121 in words is "three million, three hundred eighty-five thousand, one hundred twenty-one".

Divisors: 1 641 5281 3385121