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52105533 = 317368511
BaseRepresentation
bin1100011011000…
…1000100111101
310122001020100120
43012301010331
5101314334113
65100445153
71201614114
oct306610475
9118036316
1052105533
1127459727
12155497b9
13aa4489c
146cc4c7b
154893a23
hex31b113d

52105533 has 4 divisors (see below), whose sum is σ = 69474048. Its totient is φ = 34737020.

The previous prime is 52105523. The next prime is 52105541. The reversal of 52105533 is 33550125.

52105533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52105533 - 29 = 52105021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52105523) 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 3 ways as a sum of consecutive naturals, for example, 8684253 + ... + 8684258.

It is an arithmetic number, because the mean of its divisors is an integer number (17368512).

Almost surely, 252105533 is an apocalyptic number.

It is an amenable number.

52105533 is a deficient number, since it is larger than the sum of its proper divisors (17368515).

52105533 is a wasteful number, since it uses less digits than its factorization.

52105533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17368514.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 52105533 is about 7218.4162390375. The cubic root of 52105533 is about 373.5034470452.

Adding to 52105533 its reverse (33550125), we get a palindrome (85655658).

The spelling of 52105533 in words is "fifty-two million, one hundred five thousand, five hundred thirty-three".

Divisors: 1 3 17368511 52105533