Search a number
-
+
52121205 = 335386083
BaseRepresentation
bin1100011011010…
…0111001110101
310122002000212000
43012310321311
5101320334310
65101045513
71202010603
oct306647165
9118060760
1052121205
112746a484
1215556899
13aa4ba66
146cca873
1548984c0
hex31b4e75

52121205 has 16 divisors (see below), whose sum is σ = 92660160. Its totient is φ = 27797904.

The previous prime is 52121191. The next prime is 52121213. The reversal of 52121205 is 50212125.

It is not a de Polignac number, because 52121205 - 26 = 52121141 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192907 + ... + 193176.

It is an arithmetic number, because the mean of its divisors is an integer number (5791260).

Almost surely, 252121205 is an apocalyptic number.

It is an amenable number.

52121205 is a deficient number, since it is larger than the sum of its proper divisors (40538955).

52121205 is a wasteful number, since it uses less digits than its factorization.

52121205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386097 (or 386091 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 52121205 is about 7219.5017141074. The cubic root of 52121205 is about 373.5408900250.

It can be divided in two parts, 5212120 and 5, that added together give a palindrome (5212125).

The spelling of 52121205 in words is "fifty-two million, one hundred twenty-one thousand, two hundred five".

Divisors: 1 3 5 9 15 27 45 135 386083 1158249 1930415 3474747 5791245 10424241 17373735 52121205