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33004141 = 87737633
BaseRepresentation
bin111110111100…
…1101001101101
32022002210011121
41331321221231
531422113031
63135220541
7550346662
oct175715155
968083147
1033004141
11176a2555
12b077751
136ab74a1
144551a69
152d6e011
hex1f79a6d

33004141 has 4 divisors (see below), whose sum is σ = 33042652. Its totient is φ = 32965632.

The previous prime is 33004129. The next prime is 33004151. The reversal of 33004141 is 14140033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14140033 = 74319031.

It can be written as a sum of positive squares in 2 ways, for example, as 18404100 + 14600041 = 4290^2 + 3821^2 .

It is a cyclic number.

It is not a de Polignac number, because 33004141 - 25 = 33004109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33004151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17940 + ... + 19693.

It is an arithmetic number, because the mean of its divisors is an integer number (8260663).

Almost surely, 233004141 is an apocalyptic number.

It is an amenable number.

33004141 is a deficient number, since it is larger than the sum of its proper divisors (38511).

33004141 is an equidigital number, since it uses as much as digits as its factorization.

33004141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38510.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 33004141 is about 5744.9230630183. The cubic root of 33004141 is about 320.7668490037.

Adding to 33004141 its reverse (14140033), we get a palindrome (47144174).

It can be divided in two parts, 33004 and 141, that multiplied together give a palindrome (4653564).

The spelling of 33004141 in words is "thirty-three million, four thousand, one hundred forty-one".

Divisors: 1 877 37633 33004141