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3053905 = 5610781
BaseRepresentation
bin1011101001100101010001
312202011011121
423221211101
51240211110
6145242241
734646341
oct13514521
95664147
103053905
1117a6498
121033381
1382c05a
14596d21
15404cda
hex2e9951

3053905 has 4 divisors (see below), whose sum is σ = 3664692. Its totient is φ = 2443120.

The previous prime is 3053891. The next prime is 3053909. The reversal of 3053905 is 5093503.

3053905 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1896129 + 1157776 = 1377^2 + 1076^2 .

It is not a de Polignac number, because 3053905 - 25 = 3053873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3053905.

It is not an unprimeable number, because it can be changed into a prime (3053909) 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, 305386 + ... + 305395.

It is an arithmetic number, because the mean of its divisors is an integer number (916173).

Almost surely, 23053905 is an apocalyptic number.

It is an amenable number.

3053905 is a deficient number, since it is larger than the sum of its proper divisors (610787).

3053905 is an equidigital number, since it uses as much as digits as its factorization.

3053905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610786.

The product of its (nonzero) digits is 2025, while the sum is 25.

The square root of 3053905 is about 1747.5425602829. The cubic root of 3053905 is about 145.0836615892.

It can be divided in two parts, 30 and 53905, that added together give a palindrome (53935).

The spelling of 3053905 in words is "three million, fifty-three thousand, nine hundred five".

Divisors: 1 5 610781 3053905