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52212011 = 95354787
BaseRepresentation
bin1100011100101…
…1000100101011
310122020122102012
43013023010223
5101331241021
65103030135
71202536415
oct307130453
9118218365
1052212011
1127521725
121559b34b
13aa811a7
146d119b5
1548b535b
hex31cb12b

52212011 has 4 divisors (see below), whose sum is σ = 52267752. Its totient is φ = 52156272.

The previous prime is 52211963. The next prime is 52212023. The reversal of 52212011 is 11021225.

52212011 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 52212011 - 218 = 51949867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52212071) 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, 26441 + ... + 28346.

It is an arithmetic number, because the mean of its divisors is an integer number (13066938).

Almost surely, 252212011 is an apocalyptic number.

52212011 is a deficient number, since it is larger than the sum of its proper divisors (55741).

52212011 is an equidigital number, since it uses as much as digits as its factorization.

52212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55740.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 52212011 is about 7225.7879155148. The cubic root of 52212011 is about 373.7576928578.

Adding to 52212011 its reverse (11021225), we get a palindrome (63233236).

The spelling of 52212011 in words is "fifty-two million, two hundred twelve thousand, eleven".

Divisors: 1 953 54787 52212011