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52221205 = 531336911
BaseRepresentation
bin1100011100110…
…1010100010101
310122021010000201
43013031110111
5101332034310
65103140501
71202605261
oct307152425
9118233021
1052221205
1127528623
12155a4731
13aa8542a
146d150a1
1548b7e3a
hex31cd515

52221205 has 8 divisors (see below), whose sum is σ = 64687104. Its totient is φ = 40429200.

The previous prime is 52221203. The next prime is 52221209. The reversal of 52221205 is 50212225.

52221205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52221205 - 21 = 52221203 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 (52221203) 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 7 ways as a sum of consecutive naturals, for example, 168301 + ... + 168610.

It is an arithmetic number, because the mean of its divisors is an integer number (8085888).

Almost surely, 252221205 is an apocalyptic number.

It is an amenable number.

52221205 is a deficient number, since it is larger than the sum of its proper divisors (12465899).

52221205 is a wasteful number, since it uses less digits than its factorization.

52221205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336947.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 52221205 is about 7226.4240811068. The cubic root of 52221205 is about 373.7796298698.

The spelling of 52221205 in words is "fifty-two million, two hundred twenty-one thousand, two hundred five".

Divisors: 1 5 31 155 336911 1684555 10444241 52221205