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33145041 = 370915583
BaseRepresentation
bin111111001110…
…0000011010001
32022100221110010
41332130003101
531441120131
63142225133
7551504526
oct176340321
968327403
1033145041
11177893a6
12b1251a9
136b36667
14458b14d
152d9ab46
hex1f9c0d1

33145041 has 8 divisors (see below), whose sum is σ = 44258560. Its totient is φ = 22064112.

The previous prime is 33145037. The next prime is 33145051. The reversal of 33145041 is 14054133.

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

It is not a de Polignac number, because 33145041 - 22 = 33145037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33144999 and 33145017.

It is not an unprimeable number, because it can be changed into a prime (33145031) 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 7 ways as a sum of consecutive naturals, for example, 5665 + ... + 9918.

It is an arithmetic number, because the mean of its divisors is an integer number (5532320).

Almost surely, 233145041 is an apocalyptic number.

It is an amenable number.

33145041 is a deficient number, since it is larger than the sum of its proper divisors (11113519).

33145041 is a wasteful number, since it uses less digits than its factorization.

33145041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16295.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 33145041 is about 5757.1730041749. The cubic root of 33145041 is about 321.2226694287. Note that the first 3 decimals are identical.

Adding to 33145041 its reverse (14054133), we get a palindrome (47199174).

The spelling of 33145041 in words is "thirty-three million, one hundred forty-five thousand, forty-one".

Divisors: 1 3 709 2127 15583 46749 11048347 33145041