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33104420 = 2255692909
BaseRepresentation
bin111111001001…
…0001000100100
32022021212201122
41332102020210
531433320140
63141313112
7551245226
oct176221044
968255648
1033104420
1117760928
12b105798
136b2101b
14457a416
152d8dab5
hex1f92224

33104420 has 24 divisors (see below), whose sum is σ = 69665400. Its totient is φ = 13213952.

The previous prime is 33104413. The next prime is 33104443. The reversal of 33104420 is 2440133.

It can be written as a sum of positive squares in 4 ways, for example, as 3771364 + 29333056 = 1942^2 + 5416^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9926 + ... + 12834.

It is an arithmetic number, because the mean of its divisors is an integer number (2902725).

Almost surely, 233104420 is an apocalyptic number.

It is an amenable number.

33104420 is an abundant number, since it is smaller than the sum of its proper divisors (36560980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33104420 is a wasteful number, since it uses less digits than its factorization.

33104420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 33104420 is about 5753.6440626789. The cubic root of 33104420 is about 321.0913906633.

Adding to 33104420 its reverse (2440133), we get a palindrome (35544553).

The spelling of 33104420 in words is "thirty-three million, one hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 569 1138 2276 2845 2909 5690 5818 11380 11636 14545 29090 58180 1655221 3310442 6620884 8276105 16552210 33104420