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52110215 = 510422043
BaseRepresentation
bin1100011011001…
…0001110000111
310122001110202222
43012302032013
5101320011330
65100522555
71201633553
oct306621607
9118043688
1052110215
11274621a3
121555045b
13aa46a61
146cc6863
1548950e5
hex31b2387

52110215 has 4 divisors (see below), whose sum is σ = 62532264. Its totient is φ = 41688168.

The previous prime is 52110209. The next prime is 52110229. The reversal of 52110215 is 51201125.

52110215 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.

It is a cyclic number.

It is not a de Polignac number, because 52110215 - 216 = 52044679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52110193 and 52110202.

It is a congruent number.

It is an unprimeable number.

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, 5211017 + ... + 5211026.

It is an arithmetic number, because the mean of its divisors is an integer number (15633066).

Almost surely, 252110215 is an apocalyptic number.

52110215 is a deficient number, since it is larger than the sum of its proper divisors (10422049).

52110215 is a wasteful number, since it uses less digits than its factorization.

52110215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10422048.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 52110215 is about 7218.7405411193. The cubic root of 52110215 is about 373.5146338979.

It can be divided in two parts, 52110 and 215, that added together give a palindrome (52325).

The spelling of 52110215 in words is "fifty-two million, one hundred ten thousand, two hundred fifteen".

Divisors: 1 5 10422043 52110215