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33105053 = 85738629
BaseRepresentation
bin111111001001…
…0010010011101
32022021220121002
41332102102131
531433330203
63141320045
7551250122
oct176222235
968256532
1033105053
1117761353
12b106025
136b213b7
14457a749
152d8dd88
hex1f9249d

33105053 has 4 divisors (see below), whose sum is σ = 33144540. Its totient is φ = 33065568.

The previous prime is 33105041. The next prime is 33105109. The reversal of 33105053 is 35050133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14760964 + 18344089 = 3842^2 + 4283^2 .

It is a cyclic number.

It is not a de Polignac number, because 33105053 - 214 = 33088669 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 (33105253) 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, 18458 + ... + 20171.

It is an arithmetic number, because the mean of its divisors is an integer number (8286135).

Almost surely, 233105053 is an apocalyptic number.

It is an amenable number.

33105053 is a deficient number, since it is larger than the sum of its proper divisors (39487).

33105053 is an equidigital number, since it uses as much as digits as its factorization.

33105053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39486.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 33105053 is about 5753.6990710325. The cubic root of 33105053 is about 321.0934372133.

Adding to 33105053 its reverse (35050133), we get a palindrome (68155186).

The spelling of 33105053 in words is "thirty-three million, one hundred five thousand, fifty-three".

Divisors: 1 857 38629 33105053