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3084145 = 5616829
BaseRepresentation
bin1011110000111101110001
312210200122121
423300331301
51242143040
6150034241
735133451
oct13607561
95720577
103084145
111817189
121048981
1383ca4c
145a3d61
1540dc4a
hex2f0f71

3084145 has 4 divisors (see below), whose sum is σ = 3700980. Its totient is φ = 2467312.

The previous prime is 3084127. The next prime is 3084149. The reversal of 3084145 is 5414803.

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 1317904 + 1766241 = 1148^2 + 1329^2 .

It is a cyclic number.

It is not a de Polignac number, because 3084145 - 213 = 3075953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3084149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308410 + ... + 308419.

It is an arithmetic number, because the mean of its divisors is an integer number (925245).

Almost surely, 23084145 is an apocalyptic number.

It is an amenable number.

3084145 is a deficient number, since it is larger than the sum of its proper divisors (616835).

3084145 is an equidigital number, since it uses as much as digits as its factorization.

3084145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616834.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 3084145 is about 1756.1733969059. The cubic root of 3084145 is about 145.5609660941.

Adding to 3084145 its reverse (5414803), we get a palindrome (8498948).

The spelling of 3084145 in words is "three million, eighty-four thousand, one hundred forty-five".

Divisors: 1 5 616829 3084145