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3042245 = 52920981
BaseRepresentation
bin1011100110101111000101
312201120011202
423212233011
51234322440
6145112245
734600343
oct13465705
95646152
103042245
111798758
121028685
1382695b
14592993
15401615
hex2e6bc5

3042245 has 8 divisors (see below), whose sum is σ = 3776760. Its totient is φ = 2349760.

The previous prime is 3042229. The next prime is 3042257. The reversal of 3042245 is 5422403.

It can be written as a sum of positive squares in 4 ways, for example, as 332929 + 2709316 = 577^2 + 1646^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3042245 - 24 = 3042229 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10346 + ... + 10635.

It is an arithmetic number, because the mean of its divisors is an integer number (472095).

Almost surely, 23042245 is an apocalyptic number.

It is an amenable number.

3042245 is a deficient number, since it is larger than the sum of its proper divisors (734515).

3042245 is a wasteful number, since it uses less digits than its factorization.

3042245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21015.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 3042245 is about 1744.2032565042. The cubic root of 3042245 is about 144.8987799325.

Adding to 3042245 its reverse (5422403), we get a palindrome (8464648).

The spelling of 3042245 in words is "three million, forty-two thousand, two hundred forty-five".

Divisors: 1 5 29 145 20981 104905 608449 3042245