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33945053 = 97349949
BaseRepresentation
bin1000000101111…
…1010111011101
32100212120212012
42001133113131
532142220203
63211321005
7561346112
oct201372735
970776765
1033945053
111818546a
12b450165
13705683c
144718909
152ea7bd8
hex205f5dd

33945053 has 4 divisors (see below), whose sum is σ = 34295100. Its totient is φ = 33595008.

The previous prime is 33945013. The next prime is 33945059. The reversal of 33945053 is 35054933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35054933 = 43815231.

It can be written as a sum of positive squares in 2 ways, for example, as 26399044 + 7546009 = 5138^2 + 2747^2 .

It is a cyclic number.

It is not a de Polignac number, because 33945053 - 212 = 33940957 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 (33945059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174878 + ... + 175071.

It is an arithmetic number, because the mean of its divisors is an integer number (8573775).

Almost surely, 233945053 is an apocalyptic number.

It is an amenable number.

33945053 is a deficient number, since it is larger than the sum of its proper divisors (350047).

33945053 is an equidigital number, since it uses as much as digits as its factorization.

33945053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350046.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 33945053 is about 5826.2383233095. The cubic root of 33945053 is about 323.7865694145.

Adding to 33945053 its reverse (35054933), we get a palindrome (68999986).

The spelling of 33945053 in words is "thirty-three million, nine hundred forty-five thousand, fifty-three".

Divisors: 1 97 349949 33945053